The FictionMags Index

Index: Books by Author: Page 39

Shwartz, Susan M(artha) (1949- ) (about) (items) (chron.)
• * Suppose They Gave a Peace and Other Stories (Gale Group/Five Star, June 2002, 0-7862-4166-7, $23.95, 317pp, hc, co)
_____, ed.
• * Arabesques: More Tales of the Arabian Nights (Avon, August 1988, 0-380-75319-7, $3.50, 258pp, pb, oa)
• * Arabesques 2 (Avon, July 1989, 0-380-75570-X, $3.95, 370pp, pb, oa)
• * Habitats (DAW, August 1984, 0-87997-948-8, $2.75, 220pp, pb, oa)
• * Hecate’s Cauldron (DAW, February 1982, 0-87997-705-1, $2.95, 256pp, pb, oa)
• * Moonsinger’s Friends (Bluejay, June 1985, 0-312-94325-3, $16.95, 342pp, hc, oa)
• * Sisters in Fantasy (with Martin H. Greenberg) (Penguin/Roc, June 1995, 0-451-45292-5, $4.99, 310pp, pb, oa, cover by Mel Odom)
• * Sisters in Fantasy 2 (with Martin H. Greenberg) (Penguin/Roc, April 1996, 0-451-45503-7, $5.99, 348pp, pb, oa, cover by Mel Odom)

Siamon, Sharon (fl. 1990s) (items) (chron.)
_____, ed.
• * Just Fantastic! (with James Barry & Glen Huser) --- see under James Barry.

Siclari, Joseph D. (fl. 1970s-2010s) (items) (chron.)
_____, ed.
• * The Complete Quandry, Vol. 1 (Joe D. Siclari, September 1982, no ISBN, $5.00, 112pp, quarto, an)
• * The Complete Quandry, Vol. 2 (Joe D. Siclari, August 1983, no ISBN, $5.00, 92pp, quarto, an)
• * MagiCon Original Bookmark Anthology (MagiCon, August 1989, free, 8pp, ph, oa)
• * Worldcon Guest of Honor Speeches (with Mike Resnick) --- see under Mike Resnick.

Sidley, Elayne (fl. 1970s) (items)
_____, ed.
• * Gateway to Mystery Stories (Target Press, 1978, 0-916392-20-1, $4.95, 96pp, hc, an)

Siegel, Nancy Eden (fl. 2010s) (items) (chron.)
_____, ed.
• * Barbers & Beauties (with Michael Knost) --- see under Michael Knost.

Siegel, Scott (Warren) (1951- ) (items) (chron.)
_____, ed.
• * Tales from Tethedril (Ballantine Del Rey, August 1998, 0-345-39444-5, $6.99, 294pp, pb, oa, cover by Jim Burns)

Sikes, A. J. (fl. 2010s) (items) (chron.)
_____, ed.
• * Some Time Later (with B. J. Sikes & Dover Whitecliff) (Thinking Ink Press, 2017, 978-1-942480-20-4, $15.99, 305pp, tp, oa)
• * Thirty Days Later: Steaming Forward: 30 Adventures in Time (with B. J. Sikes & Dover Whitecliff) (Thinking Ink Press, June 2016, 978-1-942480-10-5, $15.99, 232pp, tp, oa)

Sikes, B. J. (fl. 2010s) (items) (chron.)
_____, ed.
• * Some Time Later (with A. J. Sikes & Dover Whitecliff) --- see under A. J. Sikes.
• * Thirty Days Later: Steaming Forward: 30 Adventures in Time (with A. J. Sikes & Dover Whitecliff) --- see under A. J. Sikes.

Silbersack, John W(alter) (1954- ) (about) (items) (chron.)
_____, ed.
• * The Berkley Showcase Vol. 1 (with Victoria Schochet) --- see under Victoria Schochet.
• * The Berkley Showcase Vol. 2 (with Victoria Schochet) --- see under Victoria Schochet.
• * The Berkley Showcase Vol. 3 (with Victoria Schochet) --- see under Victoria Schochet.
• * The Berkley Showcase Vol. 4 (with Victoria Schochet) --- see under Victoria Schochet.
• * Collected Fantasies by Avram Davidson --- see under Avram Davidson.
• * The Magic of Christmas (with Christopher Schelling) --- see under Anon..

Silhol, Léa (fl. 2000s) (items) (chron.)
_____, ed.
• * Emblèmes: Tanith Lee by Tanith Lee --- see under Tanith Lee.

Siluk, Dennis L(ee) (1947- ) (about) (items) (chron.)
• * Death on Demand (iUniverse, April 2003, 0-595-27220-7, $12.95, 180pp, tp, co)

Silva, David B(lair) (1950-2013) (items) (chron.)
• * The Night in Fog (Subterranean Press, November 1998, 978-1-892284-12-9, $10.00, 32pp, ph, nv, cover by Glenn Chadbourne)
_____, ed.
• * Best of the Horror Show, An Adventure in Terror (2AM, November 1987, 0-937491-05-5, $9.95, 125pp, tp, an)
• * Dead End: City Limits (with Paul F. Olson) --- see under Paul F. Olson.
• * The Definitive Best of the Horror Show (CD Publications, December 1992, 1-881475-02-6, $25.00, 429pp, hc, an, cover by Harry O. Morris)
• * Post Mortem: New Tales of Ghastly Horror (with Paul F. Olson) --- see under Paul F. Olson.

Silver, Steven H (1967- ) (about) (items) (chron.)
_____, ed.
• * Alternate Peace (with Joshua Palmatier) --- see under Joshua Palmatier.
• * Horrible Beginnings (with Martin H. Greenberg) (DAW, March 2003, 0-7564-0123-2, $6.99, 316pp, pb, an)
• * Magical Beginnings (with Martin H. Greenberg) (DAW, February 2003, 0-7564-0121-6, $6.99, 343pp, pb, an, cover by James Gurney)
• * Robots and Magic by Lester del Rey --- see under Lester del Rey.
• * War and Space by Lester del Rey --- see under Lester del Rey.
• * Wondrous Beginnings (with Martin H. Greenberg) (DAW, January 2003, 0-7564-0098-8, $6.99, 316pp, pb, an)

Silverberg, Barbara; [née Brown] (1935- ) (about) (items) (chron.)
_____, ed.
• * Kitten Caboodle (Holt, Rinehart & Winston, 1969, 0-03-066220-6, xii+207pp, hc, an)
• * Phoenix Feathers (Dutton, 1973, 0-525-36985-6, $6.50, xxviii+206pp, hc, an)

Silverberg, Robert (1935- ); used pseudonyms Loren Beauchamp, Edgar Black, Lawrence L. Blaine, David Challon, Walker Chapman, Roy Cook, Allen H. Cullen, John Dexter, Walter Drummond, Jeremy Dunn, Dan Eliot, Don Elliott, Franklin Hamilton, Paul Hollander, Ivar Jorgenson, Calvin M. Knox, Marlene Longman, Dan Lynch, Ray McKenzie, Gordon Mitchell, David Osborne, Robert Randall, Lloyd Robinson, Mark Ryan, Lee Sebastian, Stan Vincent & L. T. Woodward, M.D. (about) (items) (chron.)
• * Across a Billion Years (The Dial Press, May 1969, 0145, $4.50, 249pp, hc, n., cover by Emanuel Schongut)
• * Across a Billion Years (Gollancz, August 1977, 978-0-575-02355-0, £3.50, 249pp, hc, n.)
• * Across a Billion Years (Magnum, January 1979, 0-417-03150-5, 95p, 249pp, pb, n., cover by Peter Elson)
• * Across a Billion Years (Tor, December 1983, 0-812-55450-7, $2.75, 249pp, pb, n., cover by Terry Oakes)
• * Across a Billion Years (Gateway, September 29, 2011, 978-0-575-10616-1, £4.99, ebook, n.)
• * Across a Billion Years (Open Road Integrated Media, October 8, 2013, 978-1-4804-4849-0, $13.99, 232pp, tp, n.)
• * The Adventures of Nat Palmer: Antarctic Explorer—Clipper Ship Pioneer (McGraw-Hill, August 1967, LC:67-21012, 160pp, hc, nf)
• * Akhnaten: The Rebel Pharoah (Chilton Books, June 1964, LC:64-16520, $5.50, 234pp, hc, nf)
• * Alien Archives: Eighteen Stories of Extraterrestrial Encounters (Three Rooms Press, October 29, 2019, 978-1-941110-80-5, $16.00, xiv+384pp, tp, co)
• * Aliens from Space --- see under David Osborne.
• * Aliens from Space (Gateway, August 25, 2016, 978-0-575-10591-1, £2.99, ebook, n.)
• * The Alien Years (Voyager, February 16, 1998, 0-246-13722-3, £16.99, 453pp, hc, n., cover by Fred Gambino)
• * The Alien Years (Easton Press, July 1998, 11+428pp, hc, n.)
• * The Alien Years (HarperPrism, August 1998, 0-06-105035-0, $24.00, 428pp, hc, n., cover by Michael Herring)
• * The Alien Years (SFBC, November 1998, #00158, $11.98, 428pp, hc, n., cover by Michael Herring)
• * The Alien Years (Voyager, February 1, 1999, 0-586-21110-1, £6.99, 453pp, pb, n., cover by Fred Gambino)
• * The Alien Years (HarperPrism, August 1999, 0-06-105111-X, $6.99, 488pp, pb, n., cover by Michael Herring)
• * The Alien Years (Gateway, September 29, 2011, 978-0-575-10643-7, £4.99, ebook, n.)
• * The Alien Years (ReAnimus Press, July 20, 2019, 978-1-0817-3462-6, $15.99, 394pp, tp, n.)
• * All on Sunday --- see under Don Elliott.
• * All the Best Beds --- see under Don Elliott.
• * Alternate Wife --- see under Don Elliott.
• * Among Strangers (Subterranean Press, December 2022, 978-1-64524-069-3, $50.00, 757pp, hc, co, cover by David Ho)
• * And When She Was Bad --- see under Loren Beauchamp.
• * Another Night, Another Love --- see under Loren Beauchamp.
• * The Anvil of Time (Sidgwick & Jackson, April 1969, 0-283-98055-9, 21/-, 192pp, hc, n.)
• * Around the Continuum (Wonder Publishing Group, March 23, 2012, 978-1-61013-094-3, $16.95, 246pp, tp, co)
• * At Winter’s End [New Springtime] (Warner, April 1988, 0-446-51384-9, $17.95, 404pp, hc, n., cover by Michael Whelan)
• * At Winter’s End [New Springtime] (Gollancz, June 1988, 0-575-04273-7, £11.95, 404pp, hc, n., cover by Nicholas Rodgers)
• * At Winter’s End [New Springtime] (SFBC, September 1988, 404pp, hc, n., cover by Michael Whelan)
• * At Winter’s End [New Springtime] (Warner, April 1989, 0-446-35397-3, $4.95, 404pp, pb, n.)
• * At Winter’s End [New Springtime] (Legend, January 18, 1990, 0-09-966840-8, £6.99, 491pp, tp, n., cover by Kevin Tweddell)
• * At Winter’s End [New Springtime] (Legend, November 1, 1990, 0-09-973960-7, £3.50, 491pp, pb, n., cover by Kevin Tweddell)
• * At Winter’s End [New Springtime] (Bison Books, October 2005, 0-8032-9330-5, $18.95, xiv+491pp, tp, n., cover by R. W. Boeche)
• * At Winter’s End [New Springtime] (Gateway, September 29, 2011, 978-0-575-10635-2, £4.99, ebook, n.)
• * At Winter’s End [New Springtime] (Open Road Integrated Media, October 8, 2013, 978-1-4804-4850-6, $22.99, 570pp, tp, n.)
• * The Auk, the Dodo and the Oryx: Vanished and Vanishing Creatures (Thomas Y. Crowell Company, April 1967, LC:67-10476, 246pp, hc, nf)
• * The Auk, the Dodo and the Oryx: Vanished and Vanishing Creatures (World’s Work Ltd., 1969, hc, nf)
• * The Auk, the Dodo and the Oryx: Vanished and Vanishing Creatures (Apollo, 1970, 246pp, tp, nf)
• * Backstage Sinner --- see under Don Elliott.
• * Beatnik Wanton --- see under Don Elliott.
• * The Bed and the Beautiful --- see under Don Elliott.
• * Before the Sphinx: Early Egypt (Thomas Nelson Inc., September 1971, 0-8407-6140-6, $4.95, 176pp, hc, nf, cover by Edward J. Bonner)
• * The Best of Robert Silverberg (Pocket, February 1976, 0-671-80282-8, $1.95, xiv+258pp, pb, co, cover: by Alan Magee)
• * The Best of Robert Silverberg (Sidgwick & Jackson, August 1977, 978-0-283-98400-6, £3.95, xiv+258pp, hc, co)
• * The Best of Robert Silverberg (Orbit, August 1978, 0-8600-7950-3, 95p, xiv+258pp, pb, co, cover by Peter Jones)
• * The Best of Robert Silverberg (Baen, August 1986, 0-671-65586-8, $2.95, viii+277pp, pb, co, cover by Tom Kidd)
• * The Best of Robert Silverberg: Stories of Six Decades (Subterranean Press, December 31, 2012, 978-1-59606-472-0, $24.95, 722pp, tp, co, cover by Jim Burns)
• * The Best of Robert Silverberg, Volume One (Gregg Press, June 1978, 0-8398-2445-9, $13.00, xiv+258pp, hc, co)
• * The Best of Robert Silverberg Volume Two (Gregg Press, June 1978, 0-8398-2439-4, $15.00, xxi+323pp, hc, co)
• * Beyond the Beyond (Wonder Publishing Group, November 15, 2012, 978-1-61013-098-1, $16.95, 228pp, tp, co)
• * Beyond the Doors of Death [Born with the Dead] (with Damien Broderick) (Phoenix Pick, June 2013, 978-1-61242-112-4, $14.99, 182pp, tp, co)
• * Beyond the Safe Zone (Warner, June 1987, 0-446-30174-4, $3.95, x+565pp, pb, co)
• * Beyond the Safe Zone: Collected Short Fiction of Robert Silverberg (Donald I. Fine, April 24, 1986, 0-917657-60-8, $19.95, 472pp, hc, co)
• * Beyond the Safe Zone (var. 1) (HarperCollins UK, January 23, 1995, 0-586-21371-6, £6.99, 605pp, tp, co)
• * The Big Blast --- see under Don Elliott.
• * Black Market Shame --- see under Don Elliott.
• * Blood on the Mink (Hard Case Crime, April 27, 2012, 978-0-85768-768-5, £7.99, 217pp, tp, co, cover by Michael Koelsch)
• * The Book of Skulls (Charles Scribner’s Sons, February 1972, 0-684-12590-0, $5.95, 222pp, hc, n., cover by Robert Aulicino)
• * The Book of Skulls (Signet, September 1972, Q5177, 95¢, 191pp, pb, n.)
• * The Book of Skulls (Gollancz, September 1978, 978-0-575-02512-7, £4.95, 222pp, hc, n.)
• * The Book of Skulls (Berkley Books, March 1979, 978-0-425-04042-3, $1.95, viii+200pp, pb, n., cover by Paul Alexander)
• * The Book of Skulls (Coronet Books, August 1981, 978-0-340-25069-3, £1.10, 222pp, pb, n.)
• * The Book of Skulls (Bantam, January 1983, 0-553-23057-3, $2.95, 196pp, pb, n., cover by Jim Burns)
• * The Book of Skulls (NEL, July 1987, 0-450-42161-9, £2.50, 222pp, pb, n.)
• * The Book of Skulls (Millennium, December 16, 1999, 1-85798-914-7, £6.99, 222pp, tp, n., cover by Jim Burns)
• * The Book of Skulls (Del Rey, February 2006, 0-345-47138-5, $12.95, 232pp, tp, n.)
• * The Book of Skulls (Gateway, September 29, 2011, 978-0-575-10626-0, £4.99, ebook, n.)
• * The Book of Skulls (Centipede Press, March 18, 2019, 978-1-61347-225-5, $125.00, 248pp, hc, n., cover by John Anthony Di Giovanni)
• * The Book of Skulls (Three Ravens Publishing, March 10, 2024, 978-1-962791-60-1, $13.99, 295pp, tp, n.)
• * The Book of Skulls/Nightwings/Dying Inside (Quality Paperback Book Club, June 1991, no ISBN, $12.95, 222+190+245pp, tp, om)
• * Born with the Dead [Born with the Dead] (Tor Double, December 1988, 0-812-55952-5, $2.95, 96pp, pb, na, cover by Ron Walotsky)
• * Born with the Dead (Random House, June 1974, 0-394-48845-8, $5.95, 267pp, hc, co, cover by Carl Berkowitz)
• * Born with the Dead (Gollancz, June 1975, 978-0-575-01966-9, £2.75, 267pp, hc, co)
• * Born with the Dead (Coronet, January 1977, 0-340-21297-7, 80p, 219pp, pb, co, cover by Jim Burns)
• * Born with the Dead (Berkley Books, July 1979, 978-0-425-04156-7, $1.95, xiii+242pp, pb, co, cover by Paul Alexander)
• * Born with the Dead (Bantam, April 1984, 0-553-24103-6, $2.75, 246pp, pb, co, cover by Jim Burns)
• * Born with the Dead: Three Novellas (Vintage Books, June 1975, 978-0-394-71447-9, $1.95, 257pp, pb, co, cover by Charles Shields)
• * The Bra Peddlers --- see under John Dexter.
• * Bridges (Macrae Smith, October 1966, LC:66-17880, $4.50, 189pp, hc, nf, cover by Herb Collins)
• * Bruce of the Blue Nile (Holt, Rinehart & Winston, October 1969, 03-072455-4, 232pp, hc, bg, cover by Richard M. Powers)
• * Buchanan on the Prod (with William Ard) --- see under Jonas Ward.
• * The Calibrated Alligator and Other Science Fiction Stories (Holt, Rinehart & Winston, February 1969, 0-03-075150-0, $4.95, 224pp, hc, co, cover by Lawrence Ratzkin)
• * Campus Hellcat --- see under David Challon.
• * Campus Love Club --- see under David Challon.
• * Campus Sex Club --- see under Loren Beauchamp.
• * Campus Traders --- see under Don Elliott.
• * Capricorn Games (Random House, February 1976, 0-394-49122-X, $6.95, 180pp, hc, co)
• * Capricorn Games (Gollancz, 1978, 0-575-02406-2, £4.25, 180pp, hc, co)
• * Capricorn Games (Pan, February 1979, 0-330-25631-9, 80p, 191pp, pb, co)
• * Capricorn Games (var. 1) (Starblaze, 1979, 0-915442-62-0, $4.95, 176pp, tp, co, cover by Frank Kelly Freas)
• * Carnal Cage --- see under Don Elliott.
• * Carnal Carnival --- see under Don Elliott.
• * The Chalice of Death (Paizo/Planet Stories, March 2012, 978-1-60125-377-4, $15.99, 299pp, tp, om, cover by Kieran Yanner)
• * Challenge for a Throne --- see under Franklin Hamilton.
• * Challenge for a Throne: The Wars of the Roses (Borgo Press, September 2010, 978-1-4344-1175-4, $16.99, 290pp, tp, nf)
• * The Challenge of Climate: Man and His Environment (Meredith Press, May 1969, LC:69-19052, $5.95, 326pp, hc, nf, cover by Carl Smith)
• * The Challenge of Climate: Man and His Environment (World’s Work, 1971, 326pp, hc, nf)
• * A Change for the Bedder --- see under Don Elliott.
• * Child of Time (with Isaac Asimov) --- see under Isaac Asimov.
• * Clocks for the Ages: How Scientists Date the Past (Macmillan Publishing Co., Inc., April 1971, LC:74-123134, $6.95, 238pp, hc, nf, cover by George Gill)
• * Collision Course (Avalon Books, January 1961, $2.95, 224pp, hc, n., cover by Ed Emshwiller)
• * Collision Course (Ace Double, December 1961, F-123, 40¢, 135pp, pb, n., cover by Ed Valigursky)
• * Collision Course (Ace, February 1977, $1.50, xii+180pp, pb, n., cover by Don Punchatz)
• * Collision Course (Tor, October 1988, 0-812-55473-6, $2.95, 180pp, pb, n., cover by Ron Walotsky)
• * Collision Course (Gateway, September 29, 2011, 978-0-575-10588-1, £2.99, ebook, n.)
• * Company Girl --- see under Mark Ryan.
• * The Conglomeroid Cocktail Party (Arbor House, June 1984, 0-87795-577-8, $14.95, 284pp, hc, co, cover by Loretta Trezzo)
• * The Conglomeroid Cocktail Party (SFBC, September 1984, #1642, $6.98, 243pp, hc, co, cover by Loretta Trezzo)
• * The Conglomeroid Cocktail Party (Gollancz, February 1985, 0-575-03544-7, £8.95, 284pp, hc, co)
• * The Conglomeroid Cocktail Party (Bantam Spectra, July 1985, 0-553-25077-9, $2.95, 317pp, pb, co, cover by Jim Burns)
• * The Conglomeroid Cocktail Party (Gollancz, November 16, 1989, 0-575-04622-8, £3.50, 284pp, pb, co, cover by Jim Burns)
• * Connie --- see under Loren Beauchamp.
• * Connie/Meg (Stark House Press, May 2021, 978-1-951473-32-7, $19.95, 224pp, tp, om)
• * Conquerors from the Darkness (Holt, Rinehart & Winston, September 1965, $3.50, 191pp, hc, n., cover by Alan Cober)
• * Conquerors from the Darkness (Dell, September 1968, 50¢, 157pp, pb, n., cover by Paul Lehr)
• * Conquerors from the Darkness (Tor, July 1986, 0-812-55456-6, $2.95, 213pp, pb, n.)
• * Conquerors from the Darkness (Gateway, September 29, 2011, 978-0-575-10603-1, £2.99, ebook, n.)
• * Conquerors from the Darkness (ReAnimus Press, November 27, 2017, 978-1-9811-7422-5, $11.99, 192pp, tp, n.)
• * Conquerors from the Darkness, and, Master of Life and Death (Ace Books, July 1979, 0-441-11705-8, $2.25, xiv+386pp, pb, co, cover by Frank Frazetta)
• * Convention Girl --- see under Don Elliott.
• * Cousin-Lover --- see under Don Elliott.
• * Cronos (ibooks, September 2001, 0-7434-2390-9, $14.95, 437pp, tp, om, cover: Goldfische by Gustav Klimt from 1902)
• * The Crusades --- see under Franklin Hamilton.
• * The Crusades (Borgo Press, September 28, 2010, 978-1-4344-1176-1, $16.99, 326pp, tp, nf)
• * The Cube Root of Uncertainty (Macmillan, May 1970, $5.95, xi+239pp, hc, co, cover by Anthony Sini)
• * The Cube Root of Uncertainty (Collier, 1971, 02539, $1.25, xi+239pp, pb, co, cover by Anthony Sini)
• * Dangerous Dimensions (Wonder Publishing Group, June 27, 2011, 978-1-61013-087-5, $16.95, 234pp, tp, co, cover by Alex Martinez)
• * The Dawning Light [Nidor] (with Randall Garrett) --- see under Robert Randall.
• * The Dawn of Medicine (Putnam, August 1967, LC:67-14797, $3.49, 191pp, hc, nf, cover by Frank Aloise)
• * The Decadent --- see under Don Elliott.
• * The Deceivers --- see under L. T. Woodward, M.D..
• * Depravity Town --- see under Don Elliott.
• * The Desert of Stolen Dreams [Majipoor] (Underwood-Miller, May 1981, 0-934438-45-5, $12.50, 96pp, hc, na, cover by Stephen E. Fabian)
• * Dial O-R-G-Y --- see under Dan Eliot.
• * Diary of a Dyke --- see under Don Elliott.
• * Diary of Desire --- see under Don Elliott.
• * Dimension Thirteen (Ballantine, May 1969, 345-01601, 75¢, 215pp, pb, co, cover by Ron Walotsky)
• * The Dodo, the Auk and the Oryx (Puffin, 1973, 0-14-030619-6, 30p, 232pp, pb, nf, cover by Patrick Oxenham)
• * Downward to the Earth (SFBC, August 1970, #2404, $1.49, 180pp, hc, n., cover by Frank Frazetta)
• * Downward to the Earth (Signet, January 1971, T4497, 75¢, 176pp, pb, n., cover by Gene Szafran)
• * Downward to the Earth (Gollancz, August 1977, 978-0-575-02298-0, £3.95, 189pp, hc, n.)
• * Downward to the Earth (Pan, December 1978, 0-330-25591-6, 75p, 173pp, pb, n., cover by Stuart Hughes)
• * Downward to the Earth (Berkley Books, February 1979, 978-0-425-03952-6, $1.95, ix+181pp, pb, n., cover by Paul Alexander)
• * Downward to the Earth (Bantam, February 1984, 0-553-24043-9, $2.50, 181pp, pb, n.)
• * Downward to the Earth (Gollancz, January 25, 1990, 0-575-04734-8, £3.50, 190pp, pb, n., cover by Jim Burns)
• * Downward to the Earth (Gollancz, February 12, 2004, 0-575-07523-6, £6.99, 213pp, tp, n., cover by Jim Burns)
• * Downward to the Earth (Gateway, September 29, 2011, 978-0-575-10615-4, £4.99, ebook, n.)
• * Downward to the Earth (Orb, August 2012, 978-0-7653-3173-1, $15.99, 254pp, tp, n., cover by Tomasz Maronski)
• * Downward to the Earth (Blackstone Publishing, March 11, 2025, 979-8-212-87780-0, $18.99, 247pp, tp, n.)
• * Drug Themes in Science Fiction (US Department of Health, Education, and Welfare, November 1974, 75-190, vii+55pp, ph, nf, cover: Europe: A Prophecy by William Blake from 1794)
• * Dying Inside (Charles Scribner’s Sons, November 1972, 0-684-13083-1, $6.95, 245pp, hc, n., cover by Jerry Thorp)
• * Dying Inside (Ballantine, October 1973, 345-23563-0, $1.25, 245pp, pb, n., cover by Philip Kirkland)
• * Dying Inside (Sidgwick & Jackson, February 1974, 0-283-98122-9, £2.25, 245pp, hc, n.)
• * Dying Inside (Sidgwick & Jackson, 1975, 0-283-98227-6, 60p, 188pp, pb, n., cover by Pauline Jones)
• * Dying Inside (Del Rey, June 1980, 978-0-345-28893-6, $2.25, 245pp, pb, n., cover by Murray Tinkelman)
• * Dying Inside (Bantam, February 1984, 0-553-24018-8, $2.50, 200pp, pb, n., cover by Jim Burns)
• * Dying Inside (Gollancz, March 16, 1989, 0-575-04437-3, £2.99, 188pp, pb, n., cover by Fred Gambino)
• * Dying Inside (Easton Press, June 1991, no ISBN, xvi+245pp, hc, n.)
• * Dying Inside (ibooks, February 2002, 0-7434-3508-7, $12.00, 239pp, tp, n., cover by Duncan Long)
• * Dying Inside (Gollancz, April 14, 2005, 0-575-07525-2, £6.99, 199pp, tp, n., cover by Dominic Harman)
• * Dying Inside (Orb, March 2009, 978-0-7653-2230-2, $15.95, 302pp, tp, n., cover by Brad Holland)
• * Dying Inside (Centipede Press, April 6, 2023, 978-1-61347-318-4, $185.00, 271pp, hc, n., cover by Joe Wilson)
• * Early Days: More Tales from the Pulp Era (Subterranean Press, August 31, 2016, 978-1-59606-799-8, $40.00, 344pp, hc, co, cover by Bob Eggleton)
• * Earth’s Other Shadow (Signet, June 1973, Q5538, 95¢, 207pp, pb, co)
• * Earth’s Other Shadow (Millington, June 1977, 978-0-86000-090-7, £3.75, 214pp, hc, co, cover by Dave Austin)
• * Earth’s Other Shadow (Panther, August 1978, 0-586-04742-5, 75p, 222pp, pb, co, cover by Colin Hay)
• * Edge of Light (Voyager, February 16, 1998, 0-00-648038-1, £9.99, 981pp, tp, om)
• * The Emperor and the Maula (Subterranean Press, August 30, 2017, 978-1-59606-845-2, $25.00, 151pp, hc, na, cover by Jim Burns)
• * Empires in the Dust: Ancient Civilizations Brought to Light (Chilton Books, October 1963, LC:63-17057, $4.95, vii+247pp, hc, nf)
• * Empires in the Dust: Ancient Civilizations Brought to Light (Bantam Pathfinder, January 1966, HP130, 60¢, 214pp, pb, nf)
• * Enter a Soldier. Later: Another [Time Gate] (ReAnimus Press, May 7, 2019, 978-1-0973-4564-9, $9.99, 102pp, tp, na)
• * Escape to Sindom --- see under Don Elliott.
• * Every Bed Her Own --- see under Don Elliott.
• * Every Night in Rome… --- see under Don Elliott.
• * Exotic Adventures of Robert Silverberg (New Texture, May 24, 2021, 978-1-943444-22-9, $45.95, 142pp, hc, co, cover by Rafael DeSoto)
• * Exotic Adventures of Robert Silverberg (var. 1) (New Texture, May 24, 2021, 978-1-943444-18-2, $24.95, 118pp, tp, co, cover by Rafael DeSoto)
• * Expense Account Sinners --- see under Don Elliott.
• * The Fabulous Rockefellers (Monarch, January 1963, K68, 50¢, 157pp, pb, nf)
• * The Face of the Waters (Grafton, May 9, 1991, 0-246-13718-5, £13.99, 348pp, hc, n., cover by Jim Burns)
• * The Face of the Waters (Bantam Spectra, November 1991, 0-553-07592-6, $20.00, 353pp, hc, n.)
• * The Face of the Waters (Grafton, December 5, 1991, 0-586-21502-6, £8.99, 348pp, tp, n., cover by Jim Burns)
• * The Face of the Waters (BOMC, January 1992, no ISBN, $15.95, 353pp, pb, n.)
• * The Face of the Waters (Bantam Spectra, November 1992, 0-553-29907-7, $5.99, 436pp, pb, n.)
• * The Face of the Waters (Grafton, December 3, 1992, 0-586-21106-3, £4.99, 428pp, pb, n., cover by Jim Burns)
• * The Face of the Waters (Gateway, September 29, 2011, 978-0-575-10639-0, £4.99, ebook, n.)
• * The Face of the Waters (Subterranean Press, June 27, 2013, 978-1-59606-627-4, $18.95, 364pp, tp, n.)
• * The Face of the Waters (Three Rooms Press, October 11, 2022, 978-1-953103-27-7, $16.00, 396pp, tp, n.)
• * The Feast of St. Dionysus (Charles Scribner’s Sons, March 1975, 0-684-13998-7, $6.95, 255pp, hc, co, cover by David Lunn)
• * The Feast of St. Dionysus (Gollancz, September 1976, 0-575-02193-4, £3.80, 255pp, hc, co)
• * The Feast of St. Dionysus (Berkley, August 1979, 0-425-04174-3, $1.95, 210pp, pb, co, cover by David Schleinkofer)
• * The Feast of St. Dionysus (Coronet Books, 1980, 978-0-340-24855-3, 95p, 255pp, pb, co, cover by Geoff Taylor)
• * The Feast of St. Dionysus (NEL, August 1987, 0-450-42160-0, £2.95, 255pp, pb, co)
• * Fifteen Battles That Changed the World (Putnam, June 1963, LC:63-9677, 194pp, hc, nf)
• * Fifteen Nights of Love --- see under Don Elliott.
• * The Fires Within --- see under Loren Beauchamp.
• * First American Into Space (Monarch, May 1961, SP1, 35¢, 142pp, pb, bg)
• * First-Person Singularities (Three Rooms Press, October 31, 2017, 978-1-941110-63-8, $19.95, xxi+418pp, tp, co)
• * Flesh Bigamist --- see under Don Elliott.
• * Flesh Boarder --- see under Don Elliott.
• * Flesh Bride --- see under Don Elliott.
• * Flesh Cry --- see under Don Elliott.
• * Flesh Fever --- see under Don Elliott.
• * Flesh Flames --- see under Dan Eliot.
• * Flesh Lesson --- see under Don Elliott.
• * Flesh Man --- see under Don Elliott.
• * Flesh Melody --- see under Don Elliott.
• * The Flesh Merchants --- see under Don Elliott.
• * Flesh Pawns --- see under Don Elliott.
• * The Flesh Peddlers --- see under Don Elliott.
• * Flesh Prize --- see under Don Elliott.
• * The Flesh Seekers --- see under Don Elliott.
• * Flesh Taker --- see under Don Elliott.
• * Flesh Tryst --- see under Don Elliott.
• * Les Floozies --- see under Loren Beauchamp.
• * Forgotten by Time: A Book of Living Fossils (Thomas Y. Crowell, March 1966, LC:66-11950, 215pp, hc, nf)
• * Four Men Who Changed the Universe (Putnam, June 1968, LC:68-15079, $3.49, 256pp, hc, nf)
• * Four-Time Loser (with Eleazar Lipsky) --- see under Dan Lynch.
• * Free Sample --- see under Loren Beauchamp.
• * French Sin Port --- see under David Challon.
• * Frontier Lawyer (with Eleazar Lipsky) --- see under Lawrence L. Blaine.
• * Frontiers in Archaeology (Chilton Books, May 1966, LC:66-15760, $4.95, 182pp, hc, nf)
• * The Game Susan Played --- see under Don Elliott.
• * Gang Girl --- see under Don Elliott.
• * Gang Girl/Sex Bum --- see under Don Elliott.
• * The Gate of Worlds (Holt, Rinehart & Winston, May 1967, $4.50, 244pp, hc, n., cover by H. Lawrence Hoffman)
• * The Gate of Worlds (Gollancz, August 1978, 978-0-575-02499-1, £3.75, 244pp, hc, n., cover by Terry Oakes)
• * The Gate of Worlds (Magnum, 1980, 0-417-04710-X, £1.25, 244pp, pb, n., cover by Jim Burns)
• * The Gate of Worlds (Tor, August 1984, 0-812-55454-X, $2.95, 253pp, pb, n., cover by Mike Embden)
• * The Gate of Worlds (ibooks, December 2005, 1-59687-157-1, $11.95, 151pp, tp, n., cover by John Harris)
• * The Gate of Worlds (Gateway, September 29, 2011, 978-0-575-10604-8, £4.99, ebook, n.)
• * The Gate of Worlds (ReAnimus Press, November 27, 2017, 978-1-9811-8835-2, $12.99, 212pp, tp, n.)
• * The Gay Girls --- see under Don Elliott.
• * Getting Even/Easy Money (Stark House Press, February 2025, 979-8-88601-128-9, $19.95, 235pp, tp, om)
• * Ghost Towns of the American West (Thomas Y. Crowell, July 1968, LC:68-17081, 309pp, hc, nf)
• * Ghost Towns of the American West (Ballantine, May 1973, 345-03273-X, $1.65, 216pp, pb, nf)
• * Ghost Towns of the American West (Ohio University Press, 1974, 0-8214-1082-2, 309pp, tp, nf)
• * Gilgamesh the King [Gilgamesh] (Arbor House, October 1984, 0-87795-599-9, $16.95, 320pp, hc, n.)
• * Gilgamesh the King (Gollancz, May 1985, 978-0-575-03608-6, £9.95, 320pp, hc, n., cover by Jim Burns)
• * Gilgamesh the King [Gilgamesh] (Bantam Spectra, November 1985, 0-553-25250-X, $3.95, 306pp, pb, n.)
• * Gilgamesh the King [Gilgamesh] (Pan, July 1986, 0-330-29223-4, £2.95, 300pp, pb, n.)
• * Gilgamesh the King (ibooks, 2011, 978-1-59687-413-8, 320pp, tp, n., cover by Jim Burns)
• * Gilgamesh the King (Gateway, September 29, 2011, 978-0-575-10632-1, £4.99, ebook, n.)
• * Gilgamesh the King (Open Road Integrated Media, May 14, 2013, 978-1-4804-1822-6, $19.99, 424pp, tp, n.)
• * Girls Who Can’t Say No --- see under L. T. Woodward, M.D..
• * The Goddess Makers --- see under Jeremy Dunn.
• * Godling, Go Home! (Belmont, June 1964, L92-591, 50¢, 157pp, pb, co)
• * The Golden Dream --- see under Walker Chapman.
• * The Golden Dream: Seekers of El Dorado (Ohio University Press, May 1996, 978-0-8214-1170-4, vii+437pp, tp, nf, cover by Laury A. Egan)
• * Good Girl, Bad Girl --- see under Don Elliott.
• * The Great Doctors (G.P. Putnam’s Sons, April 1964, LC:63-13041, $3.50, 193pp, hc, nf, cover by Paul Kennedy)
• * The Great Doctors (Scholastic Book Services, February 1966, T782, 50¢, 284pp, pb, nf)
• * The Great Wall of China (Chilton Books, July 1965, LC:65-15940, $7.95, 232pp, hc, nf)
• * Gutter Road --- see under Don Elliott.
• * Gutter Road/You Can’t Stop Me (Stark House Press, April 2023, 979-8-88601-025-1, $19.95, 235pp, tp, om)
• * Hawksbill Station (Tor Double, October 1990, 0-812-55948-7, $3.50, 86pp, pb, na, cover by Peter Gudynas)
• * Hawksbill Station (Doubleday, October 1968, $3.95, 166pp, hc, n., cover by Pat Steir)
• * Hawksbill Station (SFBC, February 1969, #1638, 156pp, hc, n., cover by Pat Steir)
• * Hawksbill Station (Avon, March 1970, S411, 60¢, 176pp, pb, n., cover by Don Ivan Punchatz)
• * Hawksbill Station (Tandem, May 1970, 4260-4116-X, 25p, 192pp, pb, n.)
• * Hawksbill Station (Berkley Books, May 1978, 978-0-425-03679-2, $1.75, 185pp, pb, n., cover by Paul Alexander)
• * Hawksbill Station (Star, March 1982, 978-0-352-31090-3, £1.50, 192pp, pb, n., cover by Bruce Pennington)
• * Hawksbill Station (Warner, August 1986, 0-446-34056-1, $3.95, 185pp, pb, n.)
• * Hawksbill Station (Gateway, September 29, 2011, 978-0-575-10612-3, £4.99, ebook, n.)
• * Hawksbill Times Two (FoxAcre Press, April 2002, 0-9709711-6-8, $15.00, 213pp, tp, co)
• * Hawksbill Times Two (Three Ravens Publishing, June 5, 2023, 978-1-951768-81-2, $19.99, xii+545pp, pb, co, cover by J. F. Posthumus)
• * Henry’s Wife --- see under Gordon Mitchell.
• * The History of Surgery --- see under L. T. Woodward, M.D..
• * Homefaring (Phantasia Press, July 1983, 0-932096-23-9, $40.00, 102pp, hc, na, cover by Alex Ebel)
• * Home of the Red Man: Indian North America Before Columbus (New York Graphic Society, October 1963, LC:63-19941, 252pp, hc, nf, cover by Raymond Cruz)
• * Home of the Red Man: Indian North America Before Columbus (Washington Square Press, April 1971, 978-0-671-46558-2, 75¢, 189pp, pb, nf)
• * The Hopefuls --- see under Lloyd Robinson.
• * The Hot Beat --- see under Stan Vincent.
• * The Hot Beat (Hard Case Crime, September 2022, 978-1-78909-992-8, $14.95, 240pp, tp, co)
• * Hotrod Sinners --- see under Don Elliott.
• * Hot Sky at Midnight (Easton Press, 1994, viii+327pp, hc, n.)
• * Hot Sky at Midnight (Bantam Spectra, February 1994, 0-553-09248-0, $22.95, 327pp, hc, n., cover by Michael Whelan)
• * Hot Sky at Midnight (SFBC, June 1994, #03327, $10.98, 327pp, hc, n., cover by Michael Whelan)
• * Hot Sky at Midnight (HarperCollins UK, September 5, 1994, 0-246-13720-7, £15.99, 327pp, hc, n.)
• * Hot Sky at Midnight (Bantam Spectra, February 1995, 0-553-56935-X, $5.99, 388pp, pb, n., cover by Michael Whelan)
• * Hot Sky at Midnight (HarperCollins UK, May 9, 1995, 0-586-21108-X, £4.99, 388pp, pb, n.)
• * Hot Sky at Midnight (Gateway, September 29, 2011, 978-0-575-10641-3, £2.99, ebook, n.)
• * Hot Sky at Midnight (ReAnimus Press, July 21, 2019, 978-1-0817-5303-0, $14.99, 342pp, tp, n.)
• * Hot Times in Magma City: 1990-95 (Subterranean Press, August 2013, 978-1-59606-588-8, $40.00, 403pp, hc, co)
• * Hot Times in Magma City: 1990-95 (Gateway, October 31, 2013, 978-0-575-10671-0, £2.99, ebook, co)
• * Hot Times in Magma City: 1990-95 (Subterranean Press, August 6, 2014, 978-1-59606-705-9, $18.95, 408pp, tp, co)
• * How to Spend Money --- see under Walter Drummond.
• * Hunt the Space-Witch! (Planet Stories, June 2011, 978-1-60125-329-3, $15.99, 257pp, tp, co, cover by Kieran Yanner)
• * Hunt the Space-Witch! (Gateway, August 29, 2013, 978-0-575-10673-4, £4.99, ebook, co)
• * I Am a Nymphomaniac --- see under L. T. Woodward, M.D..
• * If I Forget Thee, O Jerusalem: American Jews and the State of Israel (William Morrow, April 1970, LC:70-100558, $12.95, 620pp, hc, nf)
• * If I Forget Thee, O Jerusalem: American Jews and the State of Israel (Pyramid, August 1972, 0-515-02765-0, $1.95, 639pp, pb, nf)
• * Illicit Affair --- see under Mark Ryan.
• * Immoral Wife --- see under Gordon Mitchell.
• * In Another Country and Other Short Novels (Gale Group/Five Star, March 2002, 0-7862-3876-3, $24.95, 311pp, hc, co, cover by Ken Barr)
• * The Initiates --- see under Don Elliott.
• * The Instructor --- see under Don Elliott.
• * In the Beginning: Tales from the Pulp Era (Subterranean Press, February 2006, 1-59606-043-3, $40.00, 335pp, hc, co, cover by Bob Eggleton)
• * In the Beginning: Tales from the Pulp Era (Gateway, September 29, 2011, 978-0-575-10663-5, £2.99, ebook, co)
• * In the Beginning: Tales from the Pulp Era (Subterranean Press, May 27, 2015, 978-1-59606-724-0, $18.95, 337pp, tp, co, cover by Bob Eggleton)
• * Into Space: A Young Person’s Guide to Space (with Arthur C. Clarke) --- see under Arthur C. Clarke.
• * Invaders from Earth (Ace Double, May 1958, D-286, 35¢, 169pp, pb, n., cover by Ed Emshwiller)
• * Invaders from Earth (Avon Books, July 1968, S365, 60¢, 142pp, pb, n., cover by Don Crowley)
• * Invaders from Earth (Sidgwick & Jackson, March 1977, 978-0-283-98371-9, £3.50, 142pp, hc, n., cover by David Hardy)
• * Invaders from Earth (Panther, January 1979, 0-586-04562-7, 80p, 143pp, pb, n., cover by Tony Roberts)
• * Invaders from Earth (Tor, March 1987, 0-812-55464-7, $2.95, 190pp, pb, n.)
• * Invaders from Earth (Gateway, September 29, 2011, 978-0-575-10589-8, £2.99, ebook, n.)
• * Invaders from Earth and To Worlds Beyond (Ace, April 1980, 0-441-37130-2, $2.25, 408pp, pb, om)
• * Invisible Barriers --- see under David Osborne.
• * Invisible Barriers (Gateway, August 29, 2013, 978-0-575-10592-8, £2.99, ebook, n.)
• * John Muir, Prophet Among the Glaciers (G.P. Putnam’s Sons, 1972, LC:74-183391, 256pp, hc, nf, cover by Anthony Gruerio)
• * Jungle Street --- see under Don Elliott.
• * Jungle Street/Running with the Barons (Stark House Press, May 2024, 979-8-88601-083-1, $19.95, 235pp, tp, om)
• * Keep the Clients Happy --- see under Don Elliott.
• * Kept Man --- see under Don Elliott.
• * Killer (Black Gat, April 4, 2022, 978-1-951473-68-6, $10.95, 166pp, tp, n., cover by Ernest Chiriacka)
• * Kingdoms of the Wall (HarperCollins UK, September 7, 1992, 0-246-13719-3, £14.99, 288pp, hc, n., cover by Jim Burns)
• * Kingdoms of the Wall (TSP, January 1993, #1915021, £7.99, 288pp, tp, n.)
• * Kingdoms of the Wall (Bantam Spectra, March 1993, 0-553-09309-6, $22.95, 307pp, hc, n., cover by Chris Hopkins)
• * Kingdoms of the Wall (SFBC, March 1993, #00380, $10.98, 307pp, hc, n., cover by Chris Hopkins)
• * Kingdoms of the Wall (Easton Press, June 1993, no ISBN, 307pp, hc, n.)
• * Kingdoms of the Wall (Grafton, July 12, 1993, 0-586-21107-1, £4.99, 348pp, pb, n., cover by Jim Burns)
• * Kingdoms of the Wall (Bantam Spectra, February 1994, 0-553-56544-3, $5.99, 370pp, pb, n., cover by Chris Hopkins)
• * Kingdoms of the Wall (Gateway, September 29, 2011, 978-0-575-10640-6, £4.99, ebook, n.)
• * Kingdoms of the Wall (ReAnimus Press, March 25, 2020, 979-8-6300-4067-1, $15.99, 312pp, tp, n.)
• * The King of Dreams [Majipoor] (Voyager, February 20, 2001, 0-00-224745-3, £11.99, 514pp, tp, n., cover by Jim Burns)
• * The King of Dreams [Majipoor] (Eos, June 2001, 0-06-105171-3, $25.00, 451pp, hc, n., cover by Jim Burns)
• * The King of Dreams [Majipoor] (Voyager, January 14, 2002, 0-00-648613-4, £6.99, 514pp, pb, n., cover by Jim Burns)
• * The King of Dreams [Majipoor] (Eos, May 2002, 0-06-102052-4, $7.50, 480pp, pb, n., cover by Jim Burns)
• * The King of Dreams (Gateway, September 29, 2011, 978-0-575-10660-4, £4.99, ebook, n.)
• * Kublai Khan: Lord of Xanadu --- see under Walker Chapman.
• * The Labors of Hercules --- see under Paul Hollander.
• * The Lady from Soho --- see under Don Elliott.
• * The Last Song of Orpheus (Subterranean Press, October 2010, 978-1-59606-310-5, $25.00, 133pp, hc, na, cover by Alexander Preuss)
• * The Last Song of Orpheus (Phoenix Pick, September 21, 2017, 978-1-61242-337-1, $6.99, 150pp, tp, na)
• * Leaders of Labor --- see under Roy Cook.
• * The Lecher --- see under Don Elliott.
• * Lest We Forget Thee, Earth [Hallam Navarrre] --- see under Calvin M. Knox.
• * Lest We Forget Thee Earth [Hallam Navarrre] (Gateway, April 30, 2014, 978-0-575-10647-5, £4.99, ebook, n.)
• * Letters from Atlantis (Macmillan Atheneum, October 1990, 0-689-31570-8, $14.95, 136pp, hc, n., cover by Robert Gould)
• * Letters from Atlantis (Warner Questar, June 1992, 0-446-36286-7, $4.99, 136pp, pb, n., cover by Stephen Youll)
• * Letters from Atlantis (Gateway, December 21, 2012, 978-0-575-10651-2, £4.99, ebook, n.)
• * Light for the World: Edison and the Power Industry (Van Nostrand, November 1967, LC:67-27989, 281pp, hc, nf)
• * Lion Time in Timbuctoo [Gate of Worlds] (Pulphouse/Axolotl, May 1990, no ISBN, $10.00, 112pp, tp, na, cover by Donna Gordon)
• * Lion Time in Timbuctoo (Voyager, March 20, 2000, 0-00-651220-8, £6.99, 390pp, tp, co)
• * A Little Intelligence (with Randall Garrett) (Crippen & Landru, February 2009, 978-1-932009-71-2, $16.00, 175pp, tp, co, cover by Carol Heyer)
• * Living in the Future (NESFA Press, June 2023, 978-1-61037-327-2, $29.00, 688pp, hc, co)
• * The Loneliest Continent --- see under Walker Chapman.
• * The Longest Voyage: Circumnavigators in the Age of Discovery (Bobbs-Merrill Company, March 1972, LC:69-13089, $10.00, 536pp, hc, nf, cover by Walter Harper)
• * The Longest Voyage: Circumnavigators in the Age of Discovery (University of Ohio Press, July 1997, 0-8214-1192-6, $39.95, 536pp, tp, nf)
• * The Longest Way Home (Gollancz, May 16, 2002, 0-575-07352-7, £10.99, 213pp, tp, n., cover by Jim Burns)
• * The Longest Way Home (Eos, July 2002, 0-380-97858-X, $25.95, 294pp, hc, n., cover by Jim Burns)
• * The Longest Way Home (Easton Press, July 2002, 9+294pp, hc, n.)
• * The Longest Way Home (SFBC, August 2002, #51995, $12.99, 294pp, hc, n., cover by Jim Burns)
• * The Longest Way Home (Eos, March 2003, 0-380-81487-0, $7.50, 367pp, pb, n., cover by Jim Burns)
• * The Longest Way Home (Gollancz, July 10, 2003, 0-575-07393-4, £6.99, 262pp, pb, n., cover by Jim Burns)
• * The Longest Way Home (Gateway, May 31, 2013, 978-0-575-10644-4, £4.99, ebook, n.)
• * The Longest Way Home (ReAnimus Press, May 7, 2019, 978-1-0973-4162-7, $14.99, 290pp, tp, n.)
• * The Long Rampart: The Story of the Great Wall of China (Chilton Books, February 1966, LC:66-12666, 171pp, hc, nf)
• * Lord of Darkness (Arbor House, April 1983, 0-87795-443-7, $16.50, 559pp, hc, n., cover by Paul Bacon)
• * Lord of Darkness (Gollancz, February 1984, 0-575-03347-9, £9.95, 559pp, hc, n., cover by Lesley Craig)
• * Lord of Darkness (Bantam, September 1984, 0-553-24362-4, $3.95, 613pp, pb, n., cover by Sanjulian)
• * Lord of Darkness (NonStop Press, January 31, 2013, 978-1-933065-43-4, $17.95, 444pp, tp, n.)
• * Lord Prestimion [Majipoor] (Voyager, February 1, 1999, 0-00-224678-3, £16.99, 434pp, hc, n., cover by Jim Burns)
• * Lord Prestimion [Majipoor] (HarperPrism, August 1999, 0-06-105028-8, $25.00, 416pp, hc, n., cover by Jim Burns)
• * Lord Prestimion [Majipoor] (SFBC, September 1999, #01942, $11.98, 416pp, hc, n., cover by Jim Burns)
• * Lord Prestimion [Majipoor] (Voyager, September 20, 1999, 0-00-651103-1, £6.99, 434pp, pb, n., cover by Jim Burns)
• * Lord Prestimion [Majipoor] (Eos, June 2000, 0-06-105810-6, $6.99, 497pp, pb, n., cover by Jim Burns)
• * Lord Prestimion [Majipoor] (Gateway, September 29, 2011, 978-0-575-10658-1, £4.99, ebook, n.)
• * Lord Valentine’s Castle [Majipoor] (Harper & Row, April 1980, 0-06-014026-7, $12.50, vii+444pp, hc, n., cover by Ron Walotsky)
• * Lord Valentine’s Castle [Majipoor] (SFBC, June 1980, #3887, $4.50, 466pp, hc, n., cover by Ron Walotsky)
• * Lord Valentine’s Castle [Majipoor] (Gollancz, August 1980, 978-0-575-02792-3, £6.95, 444pp, hc, n., cover by Nick Bantock)
• * Lord Valentine’s Castle [Majipoor] (Bantam, July 1981, 978-0-553-14428-4, $2.95, 447pp, pb, n., cover by Jim Burns)
• * Lord Valentine’s Castle [Majipoor] (Pan, October 1981, 0-330-26462-1, £1.95, 506pp, pb, n., cover by Josh Kirby)
• * Lord Valentine’s Castle [Majipoor] (HarperPrism, July 1995, 0-06-105487-9, $5.99, 506pp, pb, n., cover by Jim Burns)
• * Lord Valentine’s Castle [Majipoor] (Easton Press, 1997, 444pp, hc, n.)
• * Lord Valentine’s Castle (Voyager, September 20, 1999, 0-00-648377-1, £6.99, 506pp, pb, n., cover by Jim Burns)
• * Lord Valentine’s Castle [Majipoor] (Gateway, September 29, 2011, 978-0-575-10653-6, £4.99, ebook, n.)
• * Lord Valentine’s Castle (Penguin/Roc, May 2012, 978-0-451-46461-3, $16.00, 466pp, tp, n., cover by Jim Burns)
• * Lord Valentine’s Castle [Majipoor] (Gollancz, February 6, 2020, 978-1-4732-2922-8, £10.99, xii+466pp, tp, n.)
• * Lord Valentine’s Castle [Majipoor] (Open Road Integrated Media, September 19, 2023, 978-1-5040-8715-5, $21.99, 200pp, tp, n.)
• * Lost Cities and Vanished Civilizations (Chilton Book Company, April 1962, LC:62-8846, $3.95, ix+177pp, hc, nf, cover by Leon Leiderman)
• * Lost Cities and Vanished Civilizations (Bantam Pathfinder, August 1963, 50¢, viii+152pp, pb, nf)
• * Lost Race of Mars (John C. Winston, March 1960, $2.95, 118pp, hc, n., cover by Leonard Kessler)
• * Lost Race of Mars (Scholastic, March 1964, TX535, 35¢, 124pp, tp, n., cover by Leonard Kessler)
• * Lost Race of Mars (Gateway, September 29, 2011, 978-0-575-10596-6, £2.99, ebook, n.)
• * Love Addict --- see under Don Elliott.
• * Love Nest --- see under Loren Beauchamp.
• * Lust Bums --- see under Don Elliott.
• * Lust Captive --- see under Don Elliott.
• * Lust Cat --- see under Don Elliott.
• * Lust Crew --- see under Don Elliott.
• * Lust Cult --- see under Don Elliott.
• * Lust Demon --- see under Don Elliott.
• * Lust Doomed --- see under Don Elliott.
• * Lust Finale --- see under Don Elliott.
• * Lust for Two --- see under Don Elliott.
• * Lust Goddess --- see under Don Elliott.
• * Lust League --- see under Don Elliott.
• * Lust Lord --- see under Don Elliott.
• * Lust Lover --- see under Dan Eliot.
• * Lust Market --- see under Don Elliott.
• * The Lust Plotters --- see under John Dexter.
• * Lust Queen --- see under Don Elliott.
• * Lust Queen/Lust Victim --- see under Don Elliott.
• * Lust Seekers --- see under Don Elliott.
• * Lust Set --- see under Don Elliott.
• * Lust Spree --- see under Don Elliott.
• * Majipoor Chronicles [Majipoor] (Arbor House, February 1982, 0-87795-358-9, $12.95, 314pp, hc, co, cover by Loretta Trezzo)
• * Majipoor Chronicles [Majipoor] (Priam Books, February 1982, 978-0-87795-359-3, $5.95, 314pp, tp, co, cover by Loretta Trezzo)
• * Majipoor Chronicles [Majipoor] (SFBC, August 1982, #6475, $4.98, 277pp, hc, co, cover by Loretta Trezzo)
• * Majipoor Chronicles [Majipoor] (Gollancz, September 1982, 978-0-575-03153-1, £8.95, 314pp, hc, co, cover by Jim Burns)
• * Majipoor Chronicles [Majipoor] (Bantam, February 1983, 0-553-22928-1, $3.50, 281pp, pb, co, cover by Jim Burns)
• * Majipoor Chronicles [Majipoor] (Pan, October 1983, 0-330-28117-8, £1.95, 317pp, pb, co, cover by Josh Kirby)
• * Majipoor Chronicles [Majipoor] (HarperPrism, July 1996, 0-06-105485-2, $5.99, 385pp, pb, co, cover by Jim Burns)
• * Majipoor Chronicles [Majipoor] (Voyager, May 2, 2000, 0-00-648379-8, £5.99, 385pp, pb, co, cover by Jim Burns)
• * Majipoor Chronicles [Majipoor] (Eos, July 2000, 978-0-06-105485-3, $6.99, 385pp, pb, co, cover by Jim Burns)
• * Majipoor Chronicles [Majipoor] (Gateway, September 29, 2011, 978-0-575-10654-3, £4.99, ebook, co)
• * Majipoor Chronicles [Majipoor] (Penguin/Roc, September 2012, 978-0-451-46483-5, $16.00, 304pp, tp, co, cover by Larry Rostant)
• * Majipoor Chronicles [Majipoor] (Open Road Integrated Media, September 19, 2023, 978-1-5040-8716-2, $21.99, 200pp, tp, co)
• * Mammoths, Mastodons and Man (McGraw-Hill, April 1970, 0-07-057372-7, 233pp, hc, nf)
• * Mammoths, Mastodons and Man (World’s Work, 1972, £1.75, 223pp, hc, nf)
• * Mammoths, Mastodons and Man (Puffin, April 1976, 0-14-030847-4, 50p, 189pp, pb, nf, cover by Peter Gregory)
• * Man Before Adam: The Story of Man in Search of His Origins (Macrae Smith Company, May 1964, LC:64-1487143, $4.50, 253pp, hc, nf, cover by Clifford Schule)
• * The Man Collector --- see under Don Elliott.
• * The Man in the Maze (Avon, February 1969, V2262, 75¢, 192pp, pb, n., cover by Don Punchatz)
• * The Man in the Maze (Sidgwick & Jackson, October 1969, 0-283-98075-3, 24/-, 192pp, hc, n.)
• * The Man in the Maze (Tandem, January 1971, 4260-5100-9, 5/-, 192pp, pb, n.)
• * The Man in the Maze (Equinox, January 1975, 0-380-00198-5, $1.95, 192pp, tp, n., cover by Michael Presley)
• * The Man in the Maze (Star, 1982, 0-352-31089-8, £1.50, 192pp, pb, n., cover by Bruce Pennington)
• * The Man in the Maze (Gollancz, December 13, 1990, 0-575-04689-9, £3.50, 192pp, pb, n., cover by The Image Bank)
• * The Man in the Maze (ibooks, November 2002, 0-7434-5274-7, $12.00, viii+214pp, tp, n., cover by Michael Whelan)
• * The Man in the Maze (ibooks, January 2005, 0-7434-9777-5, $6.99, 214pp, pb, n., cover by Michael Whelan)
• * The Man in the Maze (Gateway, September 29, 2011, 978-0-575-10611-6, £4.99, ebook, n.)
• * The Man in the Maze (Open Road, July 2015, 978-1-5040-1431-1, $13.99, 266pp, tp, n.)
• * Man Mad --- see under David Challon.
• * The Man Who Found Nineveh: The Story of Austen Henry Layard (Holt, Rinehart & Winston, October 1964, LC:64-18257, $3.59, viii+207pp, hc, nf, cover by Esta Nesbitt)
• * The Man Who Found Nineveh: The Story of Austen Henry Layard (World’s Work, October 1968, 437-74640-2, 224pp, hc, nf, cover by Esta Nesbitt)
• * The Mask of Akhnaten (Macmillan, March 1965, LC:65-13586, $3.50, 182pp, hc, n., cover by H. Lawrence Hoffman)
• * The Masks of Time (Ballantine, May 1968, U6121, 75¢, 252pp, pb, n., cover by Robert Foster)
• * The Masks of Time (Berkley Books, November 1978, 0-425-03871-8, $1.95, x+227pp, pb, n., cover by Paul Alexander)
• * The Masks of Time (Star, 1982, 0-352-31091-X, £1.50, 252pp, pb, n., cover by Bruce Pennington)
• * The Masks of Time (Bantam, July 1983, 0-553-23494-3, $2.95, 226pp, pb, n., cover by Jim Burns)
• * The Masks of Time (VGSF, May 1987, 0-575-03990-6, £2.95, 252pp, pb, n., cover by Jim Burns)
• * The Masks of Time (Gollancz, September 5, 2002, 0-575-07218-0, £9.99, 252pp, tp, n., cover by Jim Burns)
• * The Masks of Time (Gateway, September 29, 2011, 978-0-575-10613-0, £4.99, ebook, n.)
• * The Masks of Time (Phoenix Pick, September 2012, 978-1-61242-107-0, $9.99, 201pp, tp, n.)
• * The Masks of Time/Born with the Dead/Dying Inside (Bantam Spectra, April 1988, 0-553-27286-1, $4.95, 561pp, pb, om, cover by Gary Ruddell)
• * Masochism --- see under L. T. Woodward, M.D..
• * Master of Life and Death (Ace Double, August 1957, D-237, 35¢, 163pp, pb, n., cover by Ed Emshwiller)
• * Master of Life and Death (Avon Books, March 1968, S329, 60¢, 144pp, pb, n., cover by Hector Garrido)
• * Master of Life and Death (Sidgwick & Jackson, March 1977, 0-283-98370-1, £3.50, 144pp, hc, n., cover by David A. Hardy)
• * Master of Life and Death (Panther, February 1979, 0-586-04563-5, 75p, 143pp, pb, n., cover by Tony Roberts)
• * Master of Life and Death (Tor, May 1986, 0-812-55458-2, $2.95, 219pp, pb, n.)
• * Master of Life and Death (FoxAcre Press, August 2001, 978-0-9671783-9-4, 149pp, tp, n.)
• * Master of Life and Death (Gateway, September 29, 2011, 978-0-575-10587-4, £2.99, ebook, n.)
• * Masters of Science Fiction, Volume 11: Robert Silverberg: The Ace Years, Part One (Armchair Fiction, October 2, 2017, 978-1-61287-391-6, $16.95, 376pp, tp, co)
• * Masters of Science Fiction, Volume 12: Robert Silverberg: The Ace Years, Part Two (Armchair Fiction, October 2, 2017, 978-1-61287-392-3, $16.95, 376pp, tp, co)
• * Masters of Science Fiction, Volume 13: Robert Silverberg: The Ace Years, Part Three (Armchair Fiction, June 10, 2018, 978-1-61287-420-3, $16.95, 392pp, tp, co)
• * Meg --- see under Loren Beauchamp.
• * Men Against Time: Salvage Archaeology in the United States (Macmillan, October 1967, LC:67-21254, $4.50, 202pp, hc, nf)
• * Men Who Mastered the Atom (G.P. Putnam’s Sons, April 1965, LC:65-13311, $3.29, 193pp, hc, nf, cover by Ayres Houghtelling)
• * The Millenium Express (Gateway, November 27, 2014, 978-0-575-10672-7, £4.99, ebook, co)
• * The Millennium Express: 1995-2009 (Subterranean Press, August 2014, 978-1-59606-668-7, $35.00, 482pp, hc, co)
• * The Millennium Express: 1995-2009 (Subterranean Press, June 3, 2015, 978-1-59606-765-3, $18.95, 481pp, hc, co, cover by Tomasz Maronski)
• * Mistress of Sin --- see under Don Elliott.
• * Moonferns and Starsongs (Ballantine, June 1971, 0-345-02278-5, 95¢, 244pp, pb, co, cover by Gene Szafran)
• * The Morning of Mankind: Prehistoric Man in Europe (New York Graphic Society, March 1967, LC:67-1104, $4.95, 240pp, hc, nf, cover by Wladislaw Finne)
• * The Morning of Mankind: Prehistoric Man in Europe (World’s Work, 1970, 236pp, hc, nf)
• * The Mound Builders (New York Graphic Society, April 1970, 0-8212-0342-8, $5.95, 276pp, hc, nf)
• * The Mound Builders (Ballantine, May 1974, 345-23980-6, $1.50, 184pp, pb, nf, cover by John J. Egas)
• * Mound Builders of Ancient America: The Archaeology of a Myth (New York Graphic Society, April 1968, LC:68-12370, $8.95, 369pp, hc, nf)
• * The Mountains of Majipoor [Majipoor] (Bantam Spectra, March 1995, 0-553-09614-1, $19.95, 225pp, hc, n., cover by Jim Burns)
• * The Mountains of Majipoor [Majipoor] (Macmillan UK, March 10, 1995, 0-333-63319-9, £12.99, 165pp, hc, n., cover by Jim Burns)
• * The Mountains of Majipoor [Majipoor] (SFBC, April 1995, #06859, $7.98, 132pp, hc, n., cover by Jim Burns)
• * The Mountains of Majipoor [Majipoor] (Easton Press, May 1995, 106-086, 225pp, hc, n.)
• * The Mountains of Majipoor (Pan, August 11, 1995, 0-330-33519-7, £4.99, 231pp, pb, n., cover by Jim Burns)
• * The Mountains of Majipoor (Bantam Spectra, February 1996, 0-553-57327-6, $5.99, 225pp, pb, n., cover by Jim Burns)
• * The Mountains of Majipoor [Majipoor] (Gateway, September 29, 2011, 978-0-575-10656-7, £4.99, ebook, n.)
• * Multiples (Gateway, December 7, 2012, 978-0-575-10669-7, £4.99, ebook, co)
• * Multiples: 1983-87 (Subterranean Press, September 2011, 978-1-59606-402-7, $35.00, 426pp, hc, co)
• * Multiples: 1983-87 (Subterranean Press, June 6, 2013, 978-1-59606-625-0, $18.95, 432pp, tp, co)
• * Musings and Meditations (NonStop Press, January 2011, 978-1-933065-20-5, $18.95, 344pp, tp, co)
• * Musings and Meditations (Gateway, May 29, 2014, 978-0-575-10675-8, £4.99, ebook, co)
• * The Mutant Season [A Fire in Winter] (with Karen Haber) (Doubleday Foundation, November 1989, 0-385-26647-2, $8.95, xi+289pp, hc, n., cover by Dean Motter)
• * The Mutant Season [A Fire in Winter] (with Karen Haber) (Phoenix Pick, July 2013, 978-1-61242-146-9, $9.99, 263pp, tp, n.)
• * Naked Holiday --- see under Don Elliott.
• * Naked She Died --- see under Don Elliott.
• * Needle in a Timestack (Ballantine, November 1966, U2330, 50¢, 190pp, pb, co, cover by Richard Powers)
• * Needle in a Timestack (Sphere, 1967, 78417, 5/-, 190pp, pb, co, cover by David Davies)
• * Needle in a Timestack and Other Stories (Open Road Integrated Media, August 20, 2019, 978-1-5040-5866-7, $9.99, ebook, co)
• * Needle in a Timestack (var. 1) (Sphere, 1979, 0-7221-7823-9, 85p, 149pp, pb, co, cover by Peter Elson)
• * Needle in a Timestack (var. 1) (Ace, November 1985, 0-441-56872-6, $2.95, 180pp, pb, co, cover by Don Dixon)
• * Needle in a Timestack (var. 2) (Gollancz, June 10, 2021, 978-1-4732-2920-4, £10.99, ix+579pp, tp, co, cover by Shutterstock)
• * The New Springtime [New Springtime] (Warner, April 1990, 0-446-51442-X, $19.95, 358pp, hc, n., cover by Michael Whelan)
• * The New Springtime [New Springtime] (SFBC, June 1990, #17185, $8.98, 358pp, hc, n., cover by Michael Whelan)
• * The New Springtime [New Springtime] (Warner, May 1991, 0-446-36172-0, $4.95, 472pp, pb, n., cover by Michael Whelan)
• * Next Stop the Stars (Ace Double, June 1962, F-145, 40¢, 114pp, pb, co, cover by Ed Emshwiller)
• * Next Stop the Stars (Ace, February 1977, $1.50, xvi+144pp, pb, co, cover by Don Punchatz)
• * Next Stop the Stars (Dennis Dobson, April 1979, 0-234-72143-X, £4.25, xii+144pp, hc, co, cover by Richard Weaver)
• * Next Stop the Stars (Tor, January 1986, 0-812-55462-0, $2.95, 213pp, pb, co, cover by Tom Kidd)
• * Niels Bohr: The Man Who Mapped the Atom (Macrae Smith, May 1965, LC:65-16330, $3.25, 194pp, hc, nf, cover by Herb Collins)
• * Nightfall (with Isaac Asimov) --- see under Isaac Asimov.
• * Nightwings [Watcher] (Tor Double, December 1989, 0-812-50194-2, $3.50, 81pp, pb, na, cover by Mark J. Ferrari)
• * Nightwings [Watcher] (Avon, September 1969, V2303, 75¢, 190pp, pb, n., cover by Don Ivan Punchatz)
• * Nightwings [Watcher] (Walker & Co., 1970, 0-8027-5512-7, $4.95, 190pp, hc, n., cover by Jack Gaughan)
• * Nightwings [Watcher] (Sidgwick & Jackson, 1972, 0-283-97840-6, £1.60, 190pp, hc, n., cover by Chris Gilbert)
• * Nightwings [Watcher] (Sphere Books, July 1974, 0-7221-7834-4, 40p, 192pp, pb, n., cover by Dave Pether)
• * Nightwings [Watcher] (Equinox, March 1976, 0-380-00571-9, $2.25, 190pp, tp, n., cover by Gene Szafran)
• * Nightwings [Watcher] (Futura, July 1987, 0-7088-8235-8, £2.50, 192pp, pb, n., cover by Michael Posen)
• * Nightwings [Watcher] (ibooks, December 2001, 0-7434-4474-4, $12.00, 218pp, tp, n., cover by Scott Grimando)
• * Nightwings [Watcher] (ibooks, July 2003, 0-7434-7446-5, $6.99, 218pp, pb, n., cover by Scott Grimando)
• * Nightwings [Watcher] (IDW Publishing, August 2008, 978-1-60010-200-4, $14.99, 220pp, tp, n., cover by Michael Parkes)
• * Nightwings [Watcher] (Gateway, September 29, 2011, 978-0-575-10617-8, £4.99, ebook, n.)
• * Nightwings [Watcher] (Open Road Integrated Media, May 14, 2013, 978-1-4804-1809-7, $15.99, 270pp, tp, n., cover by Kelly Parr)
• * Nightwings/A Time of Changes/Lord Valentine’s Castle (Gollancz, August 22, 2013, 978-0-575-12903-0, £18.99, xiv+734pp, tp, om)
• * 90% of What You Know About Sex Is Wrong --- see under L. T. Woodward, M.D..
• * The Nite Lusters --- see under Don Elliott.
• * No Lust Tonight --- see under Don Elliott.
• * None but the Wicked --- see under Don Elliott.
• * No Pleasure So Painful --- see under Don Elliott.
• * Nowhere Girl --- see under Don Elliott.
• * Nudie Packet --- see under Don Elliott.
• * Nurse Carolyn --- see under Loren Beauchamp.
• * Nympho --- see under Dan Eliot.
• * Of Shame Reborn --- see under Don Elliott.
• * The Old Ones: Indians of the American Southwest (New York Graphic Society, March 1965, LC:65-13542, $4.95, 269pp, hc, nf, cover by Raymond Cruz)
• * One Bed Too Many --- see under Jeremy Dunn.
• * One-Night Stand --- see under Don Elliott.
• * One of Our Asteroids Is Missing --- see under Calvin M. Knox.
• * 1001 Answers to Vital Sex Questions --- see under L. T. Woodward, M.D..
• * Only the Depraved --- see under Don Elliott.
• * The Orgy Boys --- see under Don Elliott.
• * Orgy Isle --- see under Don Elliott.
• * Orgy Maid --- see under Don Elliott.
• * Orgy on Wheels --- see under Don Elliott.
• * Orgy Slaves --- see under Don Elliott.
• * Other Dimensions (SFBC, September 2003, #57609, $14.99, 736pp, hc, om, cover by Bruce Jensen)
• * Other Spaces, Other Times: A Life Spent in the Future (NonStop Press, May 2009, 978-1-933065-12-0, $29.95, 199pp, hc, nf)
• * Other Spaces, Other Times: A Life Spent in the Future (Gateway, May 29, 2014, 978-0-575-10677-2, £4.99, ebook, nf)
• * The Pain Lusters --- see under Don Elliott.
• * The Palace at Midnight: 1980-82 (Subterranean Press, October 2010, 978-1-59606-321-1, $35.00, 478pp, hc, co)
• * The Palace at Midnight: 1980-82 (Subterranean Press, April 25, 2013, 978-1-59606-604-5, $18.95, 480pp, tp, co)
• * Parsecs and Parables (Doubleday, February 27, 1970, $4.95, 203pp, hc, co, cover by Tim Lewis)
• * Parsecs and Parables (Robert Hale, October 1973, 0-7091-3889-X, £1.60, 203pp, hc, co)
• * Party Girl --- see under Don Elliott.
• * The Passion Barons --- see under Don Elliott.
• * Passion Bum --- see under John Dexter.
• * Passion Killer --- see under Don Elliott.
• * Passion Pair --- see under Don Elliott.
• * Passion Partners --- see under Don Elliott.
• * Passion Patsy --- see under Don Elliott.
• * Passion Peeper --- see under Don Elliott.
• * Passion Pusher --- see under Don Elliott.
• * Passion Thieves --- see under Don Elliott.
• * Passion Trap --- see under Don Elliott.
• * Passion Trio --- see under Don Elliott.
• * Phases of the Moon (Gateway, February 27, 2015, 978-0-575-10661-1, £4.99, ebook, co)
• * Phases of the Moon: Six Decades of Masterpieces by the SFWA Grand Master (ibooks, October 2004, 0-7434-9801-1, $15.95, 623pp, tp, co, cover by Michael Whelan)
• * Phases of the Moon: Stories from Six Decades (Subterranean Press, August 2004, 1-931081-99-9, $40.00, 625pp, hc, co, cover by Jim Burns)
• * Philosopher of Evil --- see under Walter Drummond.
• * Pickup --- see under Don Elliott.
• * The Planet Killers (Ace Double, December 1959, D-407, 35¢, 131pp, pb, n.)
• * The Planet Killers (Gateway, September 29, 2011, 978-0-575-10594-2, £2.99, ebook, n.)
• * The Planet Killers (Paizo/Planet Stories, August 2011, 978-1-60125-336-1, $15.99, 283pp, tp, om, cover by Kieran Yanner)
• * Planet of Death (Holt, Rinehart & Winston, January 1967, 97909-1217, $2.75, 125pp, hc, n., cover by Lawrence Ratzkin)
• * Planet of Death (Wildside Press, November 23, 2010, 978-1-4344-1620-9, $14.95, 71pp, tp, n., cover by Luca Oleastri)
• * Planet of Death (Gateway, September 29, 2011, 978-0-575-10605-5, £2.99, ebook, n.)
• * The Plot Against Earth --- see under Calvin M. Knox.
• * The Plot Against Earth (Gateway, July 16, 2012, 978-0-575-10648-2, £4.99, ebook, n.)
• * Pluto in the Morning Light (Grafton, May 21, 1992, 0-586-21369-4, £6.99, 396pp, tp, co, cover by John Howe)
• * The Positronic Man (with Isaac Asimov) --- see under Isaac Asimov.
• * Project Pendulum (Walker US, September 1987, 0-8027-6712-5, $15.95, 200pp, hc, n., cover by Moebius)
• * Project Pendulum (Hutchinson, February 2, 1989, 0-09-173757-5, £6.95, 139pp, hc, n., cover by Peter Elson)
• * Project Pendulum (Bantam Spectra, November 1989, 0-553-28001-5, $3.95, 210pp, pb, n., cover by Mark Harrison)
• * Project Pendulum (Beaver, February 1, 1990, 0-09-962460-5, £2.99, 139pp, pb, n., cover by Pete Lyon)
• * Project Pendulum (Gateway, September 29, 2011, 978-0-575-10652-9, £2.99, ebook, n.)
• * The Pueblo Revolt (Weybright & Talley, October 1970, LC:77-128092, viii+216pp, hc, nf)
• * The Pueblo Revolt (Bison Books, 1994, 0-8032-9227-9, $8.95, viii+216pp, tp, nf, cover: [photo] by Dick Ruddy)
• * The Queen of Springtime [New Springtime] (Gollancz, November 16, 1989, 0-575-04586-8, £13.95, 415pp, hc, n., cover by Nicholas Rodgers)
• * The Queen of Springtime [New Springtime] (Legend, March 7, 1991, 0-09-980430-1, £5.99, 519pp, pb, n., cover by Kevin Tweddell)
• * The Queen of Springtime [New Springtime] (Bison Books, October 2005, 0-8032-9331-3, $18.95, x+368pp, tp, n., cover by R. W. Boeche)
• * The Queen of Springtime (Open Road Integrated Media, October 8, 2013, 978-1-4804-4851-3, $22.99, 570pp, tp, n.)
• * The Reality Trip and Other Implausibilities (Ballantine, March 1972, 0-345-02548-2, 95¢, 210pp, pb, co, cover by Chris Foss)
• * The Realm of Prester John (Doubleday, January 1972, LC:78-171271, $8.95, 344pp, hc, nf, cover by Wendell Minor)
• * The Realm of Prester John (Ohio University Press, April 1996, 978-0-8214-1138-4, 344pp, tp, nf, cover by Laury A. Egan)
• * The Realm of Prester John (Phoenix Press, November 2001, 1-84212-409-9, £12.99, iv+348pp, tp, nf)
• * Recalled to Life (Lancer, 1962, 74-810, 75¢, 144pp, pb, n., cover by Ed Emshwiller)
• * Recalled to Life (Doubleday, August 1972, 0-385-08279-7, $4.95, 184pp, hc, n., cover by Emanuel Schongut)
• * Recalled to Life (Gollancz, January 1974, 978-0-575-01764-1, £2.50, 184pp, hc, n.)
• * Recalled to Life (Panther, July 1975, 978-0-586-04193-2, 50p, 188pp, pb, n., cover by Chris Foss)
• * Recalled to Life (Ace, February 1977, 978-0-441-71085-0, $1.75, xiii+238pp, pb, n., cover by Don Punchatz)
• * Recalled to Life (Gateway, September 29, 2011, 978-0-575-10598-0, £2.99, ebook, n.)
• * Reflections and Refractions: Thoughts on Science-Fiction, Science, and Other Matters (Underwood Books, April 1997, 1-887424-22-9, $19.95, 425pp, tp, co, cover by Nora Wertz)
• * Reflections and Refractions: Thoughts on Science-Fiction, Science, and Other Matters (Gateway, November 2013, 978-0-575-10674-1, £2.99, ebook, co)
• * Reflections and Refractions: Thoughts on Science-Fiction, Science, and Other Matters (var. 1) (NonStop Press, September 2016, 978-1-933065-51-9, $24.00, 455pp, tp, co, cover by Luis Ortiz)
• * Regan’s Planet [World’s Fair] (Pyramid, March 1964, F986, 40¢, 141pp, pb, n., cover by Ed Emshwiller)
• * Regan’s Planet [World’s Fair] (Gateway, September 29, 2011, 978-0-575-10602-4, £2.99, ebook, n.)
• * Registered Nympho --- see under Don Elliott.
• * Revolt on Alpha C (Thomas Y. Crowell, August 1955, $2.00, 148pp, hc, n.)
• * Revolt on Alpha C (TAB Books, March 1959, TX137, 25¢, 118pp, tp, n., cover by William Meyerriecks)
• * Revolt on Alpha C (Warner, April 1989, no ISBN, 86pp, pb, n., cover by Bob Layzell)
• * Revolt on Alpha C (Gateway, September 29, 2011, 978-0-575-10585-0, £2.99, ebook, n.)
• * Ringing the Changes (Voyager, July 21, 1997, 0-586-21373-2, £6.99, 359pp, tp, co, cover by Fred Gambino)
• * Rivers: A Book to Begin On --- see under Lee Sebastian.
• * Rivers in Harness --- see under Allen H. Cullen.
• * Roadhouse Girl --- see under Don Elliott.
• * The Road to Nightfall (Voyager, July 8, 1996, 0-586-21372-4, £6.99, 347pp, tp, co)
• * A Robert Silverberg Omnibus (Sidgwick & Jackson, April 1970, 0-283-98080-X, 35/-, 144+142+182pp, hc, om)
• * A Robert Silverberg Omnibus (var. 1) (Harper & Row, March 1981, 0-06-014047-X, $14.95, x+544pp, hc, om, cover by Ron Walotsky)
• * A Robert Silverberg Omnibus (var. 1) (SFBC, September 1981, #5726, $9.98, x+497pp, hc, om, cover by Ron Walotsky)
• * Robert Silverberg’s Monsters and Things (Drugstore Indian Press, May 2023, 978-1-78636-899-7, £15.99, xxiv+501pp, tp, co, cover from Monster Parade November 1958)
• * Robert Silverberg’s Monsters and Things (PS Publishing, May 2023, 978-1-78636-898-0, £50.00, xxiv+501pp, hc, co)
• * Robert Silverberg’s Super-Science Fiction (Fiction House Press, April 2017, 978-1-987071-85-6, $12.95, 210pp, tp, co)
• * Rogue of the Riviera --- see under Don Elliott.
• * Roma Eterna [Roma Eterna] (Eos, June 2003, 0-380-97859-8, $25.95, 396pp, hc, n., cover by Chris Moore)
• * Roma Eterna (Gollancz, August 28, 2003, 0-575-07354-3, £10.99, 384pp, tp, n., cover by Emma Wallace)
• * Roma Eterna (Eos, May 2004, 0-380-81488-9, $7.99, 449pp, pb, n., cover by Chris Moore)
• * Roma Eterna (Gollancz, July 22, 2004, 0-575-07556-2, £6.99, 385pp, pb, n., cover by Chris Moore)
• * Roma Eterna (Gateway, September 30, 2013, 978-0-575-10646-8, £4.99, ebook, n.)
• * Roma Eterna (Blackstone Publishing, February 11, 2025, 979-8-212-87779-4, $18.99, 400pp, tp, n.)
• * Rough Trade (PS Publishing, November 1, 2017, 978-1-786362-03-2, £25.00, xix+415pp, hc, co, cover by Denis McLoughlin)
• * Rough Trade (PS Publishing, September 2022, 978-1-78636-863-8, £15.99, xix+415pp, tp, co, cover by Denis McLoughlin)
• * Round the Clock at Volari’s (with W. R. Burnett) --- see under W. R. Burnett.
• * Sadism --- see under L. T. Woodward, M.D..
• * Sailing to Byzantium (Underwood-Miller, June 1985, 0-88733-008-8, $12.95, 114pp, tp, na)
• * Sailing to Byzantium (Tor, July 1989, 0-812-50079-2, $3.50, 99pp, pb, na, cover by Brian Waugh)
• * Sailing to Byzantium (ibooks, September 2000, 0-7434-0718-0, $14.00, 419pp, tp, co, cover: Expectations by Lawrence Alma-Tadema from 1885)
• * Sailing to Byzantium: Six Novellas (var. 1) (Open Road Integrated Media, May 14, 2013, 978-1-4804-1817-2, $22.99, 560pp, tp, co)
• * Sam Houston --- see under Paul Hollander.
• * Savage Love --- see under Mark Ryan.
• * Scientists and Scoundrels: A Book of Hoaxes (Thomas Y. Crowell, March 1965, LC:65-11649, $3.95, x+251pp, hc, nf, cover by Jerome Snyder)
• * The Search for El Dorado --- see under Walker Chapman.
• * The Second Trip (SFBC, October 1972, #5366, $1.49, 185pp, hc, n., cover by Gene Szafran)
• * The Second Trip (Signet, March 1973, Q5402, 95¢, 192pp, pb, n.)
• * The Second Trip (Gollancz, November 1979, 0-575-02666-9, £4.95, 185pp, hc, n.)
• * The Second Trip (Pan, December 1980, 0-330-26227-0, £1.50, 189pp, pb, n., cover by Peter Gudynas)
• * The Second Trip (Avon, July 1981, 0-380-54874-7, $2.25, 192pp, pb, n.)
• * The Second Trip (VGSF, April 25, 1991, 0-575-04037-8, £3.99, 185pp, pb, n.)
• * The Second Trip (Gateway, September 29, 2011, 978-0-575-10623-9, £4.99, ebook, n.)
• * The Secret Sharer (Underwood-Miller, March 1988, 0-88733-057-6, $14.95, 107pp, hc, na)
• * The Secret Sharer (Subterranean Press, February 2024, 978-1-64524-145-4, $60.00, 159pp, hc, na, cover by Tom Canty)
• * The Secret Sharer (Grafton, May 24, 1993, 0-586-21370-8, £5.99, 395pp, tp, co, cover by John Howe)
• * Secret Sharers (Bantam Spectra, November 1992, 0-553-37068-5, $12.50, 546pp, tp, co)
• * The Seed of Earth (Ace Double, June 1962, F-145, 40¢, 139pp, pb, n.)
• * The Seed of Earth (Ace, February 1977, 75875, $1.50, xv+174pp, pb, n., cover by Don Ivan Punchatz)
• * The Seed of Earth (Hamlyn, May 1978, 0-600-38314-8, 80p, 167pp, pb, n., cover by Tony Roberts)
• * The Seed of Earth (Gateway, September 29, 2011, 978-0-575-10597-3, £2.99, ebook, n.)
• * The Seven Wonders of the Ancient World (Crowell-Collier, April 1970, LC:70-95298, 120pp, hc, nf)
• * Sex and Hypnosis --- see under L. T. Woodward, M.D..
• * Sex and the Armed Services --- see under L. T. Woodward, M.D..
• * Sex and the Divorced Woman --- see under L. T. Woodward, M.D..
• * Sex Bait --- see under Don Elliott.
• * Sex Bum --- see under Don Elliott.
• * Sex Fiend --- see under L. T. Woodward, M.D..
• * Sex Fury --- see under Don Elliott.
• * Sex in Our Schools --- see under L. T. Woodward, M.D..
• * Sex Jungle --- see under Don Elliott.
• * Sexteen --- see under Don Elliott.
• * Sex Thieves --- see under John Dexter.
• * Shadrach in the Furnace (Bobbs-Merrill Co., September 1976, 0-672-51993-3, $8.95, 245pp, hc, n., cover by Fred Samperi)
• * Shadrach in the Furnace (Gollancz, February 1977, 0-575-02191-8, £3.80, 245pp, hc, n.)
• * Shadrach in the Furnace (SFBC, March 1977, #1381, $2.98, 247pp, hc, n., cover by Fred Samperi)
• * Shadrach in the Furnace (UKSFBC, September 1977, #1129, 245pp, hc, n.)
• * Shadrach in the Furnace (Pocket Books, February 1978, 0-671-81273-4, $1.75, 252pp, pb, n.)
• * Shadrach in the Furnace (Coronet, February 1979, 0-340-23235-8, 85p, 245pp, pb, n.)
• * Shadrach in the Furnace (Baen, July 1985, 0-671-55956-7, $2.95, 286pp, pb, n.)
• * Shadrach in the Furnace (ibooks, January 2004, 0-7434-5847-8, $11.95, 247pp, tp, n.)
• * Shadrach in the Furnace (Bison Books, November 2008, 978-0-8032-1631-0, $16.95, 245pp, tp, n., cover by Leon Bonaventura)
• * Shadrach in the Furnace (Gateway, September 29, 2011, 978-0-575-10630-7, £1.99, ebook, n.)
• * Shame House --- see under Don Elliott.
• * Shameless --- see under Don Elliott.
• * The Shame Protector --- see under Don Elliott.
• * Shame Scheme --- see under Don Elliott.
• * The Shores of Tomorrow (Thomas Nelson US, November 22, 1976, 0-8407-6525-8, $6.95, 191pp, hc, co, cover by James E. Barry)
• * The Shrouded Planet [Nidor] (with Randall Garrett) --- see under Robert Randall.
• * The Silent Invaders (Ace Double, April 1963, F-195, 40¢, 117pp, pb, n., cover by Ed Emshwiller)
• * The Silent Invaders (Ace, August 1973, 76390, 95¢, 152pp, pb, n., cover by Thomas Upshur)
• * The Silent Invaders (Dennis Dobson, December 1975, 0-234-77002-3, £2.95, 152pp, hc, n., cover by Richard Weaver)
• * The Silent Invaders (Ace, 1977, 441-76391, $1.50, viii+152pp, pb, n., cover by Don Ivan Punchatz)
• * The Silent Invaders (Hamlyn, October 1978, 0-600-38297-4, 80p, 152pp, pb, n., cover by Peter Jones)
• * The Silent Invaders (Gateway, September 29, 2011, 978-0-575-10599-7, £2.99, ebook, n.)
• * The Silent Invaders (Tor, October 1985, 0-812-55460-4, $2.95, 216pp, pb, om)
• * Sin à la Carte --- see under Loren Beauchamp.
• * Sin Bait --- see under Don Elliott.
• * Sin Bin --- see under Don Elliott.
• * Sin Circuit --- see under Don Elliott.
• * Sin Club --- see under Don Elliott.
• * Sin Crazed --- see under Don Elliott.
• * Sin Cruise --- see under Don Elliott.
• * Sin Doll --- see under Dan Eliot.
• * Sin Festival --- see under John Dexter.
• * Sin for Solace --- see under Don Elliott.
• * The Sinful Ones --- see under Don Elliott.
• * Sin Girls --- see under Marlene Longman.
• * Sin Hellion --- see under Dan Eliot.
• * Sin Kill --- see under Don Elliott.
• * Sin Kin --- see under Don Elliott.
• * Sin Made --- see under Don Elliott.
• * Sin Mates --- see under Dan Eliot.
• * Sin on Wheels --- see under Don Elliott.
• * Sin on Wheels --- see under Loren Beauchamp.
• * Sin Partners --- see under Don Elliott.
• * Sin Quest --- see under Don Elliott.
• * Sin Servant --- see under Don Elliott.
• * Sin Service --- see under Don Elliott.
• * Sin Sick --- see under Don Elliott.
• * The Sins of Seena --- see under Don Elliott.
• * Sin Sold --- see under Don Elliott.
• * Sin Spin --- see under Don Elliott.
• * The Sin Switch --- see under Don Elliott.
• * Sin Warped --- see under Don Elliott.
• * Sir Winston Churchill --- see under Edgar Black.
• * Socrates (G.P. Putnam’s Sons, January 1965, LC:65-10216, 191pp, hc, nf)
• * Something Wild Is Loose (Gateway, September 29, 2011, 978-0-575-10666-6, £2.99, ebook, co)
• * Something Wild Is Loose: 1969-72 (Subterranean Press, May 2008, 978-1-59606-143-9, $35.00, 408pp, hc, co)
• * Something Wild Is Loose: 1969-72 (Subterranean Press, June 30, 2012, 978-1-59606-509-3, $18.95, 410pp, tp, co)
• * The Songs of Summer and Other Stories (Gollancz, May 1979, 0-575-02565-4, £5.25, 173pp, hc, co)
• * Son of Man (Ballantine, June 1971, 345-02277-7, $1.25, 213pp, pb, n., cover by Gene Szafran)
• * Son of Man (Del Rey, March 1977, 0-345-25745-6, $1.50, 213pp, pb, n., cover by Murray Tinkelman)
• * Son of Man (Panther, November 1979, 0-586-04807-3, 95p, 192pp, pb, n., cover by Jim Burns)
• * Son of Man (Warner, September 1987, 0-446-34511-3, $3.95, 213pp, pb, n., cover by Don Dixon)
• * Son of Man (VGSF, August 22, 1991, 0-575-04688-0, £3.99, 192pp, pb, n., cover: [photo] by Image Bank)
• * Son of Man (Gollancz, March 20, 2003, 0-575-07501-5, £9.99, 192pp, tp, n., cover by Jim Burns)
• * Son of Man (Pyr, June 2008, 978-1-59102-646-4, $15.00, 224pp, tp, n., cover by John Picacio)
• * Son of Man (Gateway, September 29, 2011, 978-0-575-10622-2, £4.99, ebook, n.)
• * Sophisticated Sex Techniques in Marriage --- see under L. T. Woodward, M.D..
• * Sorcerers of Majipoor [Majipoor] (Macmillan UK, March 7, 1997, 0-333-64486-7, £16.99, 534pp, hc, n., cover by Jim Burns)
• * Sorcerers of Majipoor [Majipoor] (HarperPrism, August 1997, 0-06-105254-X, $23.00, 462pp, hc, n., cover by Jim Burns)
• * Sorcerers of Majipoor [Majipoor] (SFBC, October 1997, #14549, $11.98, 462pp, hc, n., cover by Jim Burns)
• * Sorcerers of Majipoor [Majipoor] (Pan, October 10, 1997, 0-330-34269-X, £6.99, 629pp, pb, n., cover by Jim Burns)
• * Sorcerers of Majipoor [Majipoor] (HarperPrism, August 1998, 0-06-105780-0, $6.99, 611pp, pb, n., cover by Jim Burns)
• * Sorcerers of Majipoor [Majipoor] (Gateway, September 29, 2011, 978-0-575-10657-4, £4.99, ebook, n.)
• * The South Pole: A Book to Begin On --- see under Lee Sebastian.
• * Starborne (Bantam Spectra, June 1996, 0-553-10264-8, $22.95, 291pp, hc, n., cover by Bruce Jensen)
• * Starborne (Voyager, July 25, 1996, 0-246-13776-2, £15.99, 291pp, hc, n., cover by Fred Gambino)
• * Starborne (Easton Press, October 1996, no ISBN, 291pp, hc, n.)
• * Starborne (Voyager, February 17, 1997, 0-586-21109-8, £5.99, 291pp, pb, n., cover by Fred Gambino)
• * Starborne (Bantam Spectra, August 1997, 0-553-57334-9, $6.50, 227pp, pb, n., cover by Bruce Jensen)
• * Starborne (Gateway, September 29, 2011, 978-0-575-10642-0, £4.99, ebook, n.)
• * Starborne (Phoenix Pick, April 2012, 978-1-61242-080-6, $7.99, 197pp, tp, n.)
• * Starhaven --- see under Ivar Jorgenson.
• * Starhaven (Gateway, July 30, 2015, 978-0-575-10650-5, £4.99, ebook, n.)
• * Starman’s Quest (Gnome Press, December 1958, LC:58-8767, $3.00, 185pp, hc, n., cover by Stan Mack)
• * Starman’s Quest (Meredith Press, November 1969, 0-696-80953-2, $4.95, 186pp, hc, n., cover by Ned Glattauer)
• * Starman’s Quest (Aegypan, February 1, 2009, 978-1-60664-629-8, $22.95, 124pp, hc, n., cover by Hannes Bok from Space Science Fiction March 1953)
• * Starman’s Quest (Gateway, September 29, 2011, 978-0-575-10593-5, £2.99, ebook, n.)
• * Star of Gypsies (Donald I. Fine, September 1986, 0-917657-92-6, $18.95, 397pp, hc, n., cover by Loretta Trezzo)
• * Star of Gypsies (SFBC, February 1987, #10579, $5.98, 378pp, hc, n., cover by Loretta Trezzo)
• * Star of Gypsies (Gollancz, March 1987, 0-575-04014-9, £11.95, 397pp, hc, n., cover by Jim Burns)
• * Star of Gypsies (Questar, April 1988, 0-445-20618-7, $3.95, 466pp, pb, n., cover by Jim Burns)
• * Star of Gypsies (Orbit, August 11, 1988, 0-7088-8275-7, £3.99, 400pp, pb, n., cover by Fred Gambino)
• * Star of Gypsies (Pyr, March 2005, 1-59102-309-2, $15.00, 470pp, tp, n., cover by John Picacio)
• * Star of Gypsies (Gateway, September 29, 2011, 978-0-575-10634-5, £4.99, ebook, n.)
• * Stepsons of Terra (Ace Double, September 1958, D-311, 35¢, 128pp, pb, n., cover by Ed Emshwiller)
• * Stepsons of Terra (Ace, February 1977, 78600, $1.50, xii+174pp, pb, n., cover by Don Ivan Punchatz)
• * Stepsons of Terra (Sphere, November 1979, 0-7221-7824-7, 90p, 158pp, pb, n., cover by Peter Elson)
• * The Stochastic Man (Harper & Row, September 1975, 0-06-013868-8, $7.95, 229pp, hc, n., cover by John Clarke)
• * The Stochastic Man (Gollancz, April 1976, 0-575-02079-2, £3.75, 229pp, hc, n.)
• * The Stochastic Man (Fawcett Gold Medal, August 1976, 0-449-13570-5, $1.50, 240pp, pb, n.)
• * The Stochastic Man (UKSFBC, December 1976, #1119, 229pp, hc, n.)
• * The Stochastic Man (Coronet, 1978, 0-340-22327-8, 80p, 189pp, pb, n., cover by Jim Burns)
• * The Stochastic Man (Warner, July 1987, 0-446-34507-5, $3.95, 240pp, pb, n., cover by Don Dixon)
• * The Stochastic Man (VGSF, December 5, 1991, 0-575-05123-X, £3.99, 229pp, pb, n., cover: [photo] by The Image Bank)
• * The Stochastic Man (Gollancz, July 19, 2001, 0-575-05123-X, £10.99, 229pp, tp, n.)
• * The Stochastic Man (Gateway, September 29, 2011, 978-0-575-10629-1, £4.99, ebook, n.)
• * The Stochastic Man (ReAnimus Press, August 4, 2019, 978-1-0874-3405-6, $14.99, 298pp, tp, n.)
• * The Stolen Election --- see under Lloyd Robinson.
• * Stormy Voyager: The Story of Charles Wilkes (J.B. Lippincott, July 1968, LC:68-24411, $3.95, 192pp, hc, nf)
• * Strange Delights --- see under Loren Beauchamp.
• * Streets of Sin --- see under Mark Ryan.
• * Streets of Sin --- see under Don Elliott.
• * Stripper! --- see under John Dexter.
• * Suburban Affair --- see under David Challon.
• * Suburban Sin Club --- see under David Challon.
• * Summertime Affair --- see under Don Elliott.
• * Sundance and Other Science Fiction Stories (Thomas Nelson US, October 1974, 0-8407-6386-7, $6.50, 192pp, hc, co, cover by Dan Quest)
• * Sundance and Other Science Fiction Stories (Abelard Schuman UK, 1975, 0-200-72382-0, £2.75, 192pp, hc, co)
• * Sundance and Other Science Fiction Stories (Corgi, June 1976, 0-552-10140-0, 60p, 174pp, pb, co, cover by Angus McKie)
• * Sunken History: The Story of Underwater Archaeology (Chilton Books, April 1963, LC:63-7507, $3.95, ix+177pp, hc, nf)
• * Sunken History: The Story of Underwater Archaeology (Bantam Pathfinder, November 1964, FP75, 50¢, 132pp, pb, nf)
• * Sunrise on Mercury (Gollancz, April 1983, 0-575-03217-0, £7.95, 173pp, hc, co)
• * Sunrise on Mercury (Pan, February 1986, 0-330-29117-3, £1.95, 176pp, pb, co, cover by Peter Goodfellow)
• * Sunrise on Mercury and Other Science Fiction Stories (Thomas Nelson US, May 1975, 0-8407-6445-6, $6.95, 175pp, hc, co, cover by Bill Meyers)
• * Switch Trap --- see under Don Elliott.
• * Take My Wife --- see under Don Elliott.
• * Tales of Majipoor [Majipoor] (Gollancz, February 21, 2013, 978-0-575-13006-7, £14.99, 300pp, tp, co, cover by Jim Burns)
• * Tales of Majipoor [Majipoor] (Roc, May 2013, 978-0-451-46498-9, $16.00, 302pp, tp, co, cover by Larry Rostant)
• * Tales of Majipoor [Majipoor] (Subterranean Press, May 2013, 978-1-59606-626-7, $45.00, 372pp, hc, co, cover by Larry Rostant)
• * Tales of Majipoor [Majipoor] (Gollancz, December 12, 2013, 978-0-575-13007-4, £8.99, 300pp, tp, co, cover by Jim Burns)
• * Taste of Power (with Mildred Nelson) --- see under Mildred Nelson.
• * Teaser --- see under Don Elliott.
• * The Temptress --- see under Don Elliott.
• * 1066 --- see under Franklin Hamilton.
• * Thebes of the Hundred Gates (Axolotl, January 1992, 1-56146-117-2, $10.00, 110pp, tp, na, cover by Donna Gordon)
• * Thebes of the Hundred Gates (Bantam Spectra, July 1992, 0-553-29494-6, $3.50, 116pp, pb, na, cover by Jim Effler)
• * Thebes of the Hundred Gates (HarperCollins UK, November 18, 1993, 0-00-223975-2, £13.99, 120pp, hc, na, cover by Fred Gambino)
• * Thebes of the Hundred Gates (HarperCollins UK, May 9, 1994, 0-00-647646-5, £3.99, 120pp, pb, na, cover by Fred Gambino)
• * Thebes of the Hundred Gates (Gateway, September 29, 2011, 978-0-575-10638-3, £4.99, ebook, na)
• * Thebes of the Hundred Gates (Phoenix Pick, February 2013, 978-1-61242-105-6, $5.99, 91pp, tp, na)
• * Thirst for Love --- see under David Challon.
• * The Thirteenth Immortal (Gateway, September 29, 2011, 978-0-575-10586-7, £2.99, ebook, n.)
• * The 13th Immortal (Ace Double, May 1957, D-223, 35¢, 129pp, pb, n., cover by Ed Valigursky)
• * The 13th Immortal (Cosmos Books, October 2004, 1-930997-76-0, $15.00, 145pp, tp, n., cover by J. T. Lindroos)
• * The 13th Immortal (Cosmos Books, March 2009, 978-0-8439-5951-2, $6.99, 204pp, pb, n., cover by J. T. Lindroos)
• * Thorns (Ballantine, August 1967, U6097, 75¢, 222pp, pb, n., cover by Robert Foster)
• * Thorns (Rapp & Whiting, October 1969, 0-85391-132-0, 25/-, 222pp, hc, n., cover by Lawrence Edwards)
• * Thorns (Walker & Co., October 1969, $4.95, 222pp, hc, n., cover by Jack Gaughan)
• * Thorns (New English Library, May 1977, 0-450-03193-4, 65p, 158pp, pb, n., cover by Keith Laban)
• * Thorns (Del Rey, March 1979, 0-345-27968-9, $1.95, 222pp, pb, n., cover by Murray Tinkelman)
• * Thorns (Bantam, August 1983, 0-553-23573-7, $2.75, 222pp, pb, n., cover by Jim Burns)
• * Thorns (Orbit, December 1987, 0-7088-8238-2, £2.50, 158pp, pb, n., cover by Mark Salwowski)
• * Thorns (Gollancz, December 3, 2000, 0-575-07146-X, £9.99, 222pp, tp, n., cover by Sue Michniewicz)
• * Thorns (Gateway, September 29, 2011, 978-0-575-10606-2, £4.99, ebook, n.)
• * Thorns (ReAnimus Press, March 26, 2020, 979-8-6310-1618-7, $14.99, 253pp, tp, n.)
• * Those Who Lust --- see under Don Elliott.
• * Those Who Watch (Signet, April 1967, P3160, 60¢, 143pp, pb, n.)
• * Those Who Watch (NEL, September 1977, 450-03260-4, 75p, 176pp, pb, n., cover by Tim White)
• * Those Who Watch (Gateway, September 29, 2011, 978-0-575-10607-9, £4.99, ebook, n.)
• * Those Who Watch/Thorns (New English Library, 1979, 0-450-05176-5, £1.25, 158+176pp, pb, om, cover by Tim White)
• * Three Novels: The World Inside/Thorns/Downward to the Earth (Bantam Spectra, May 1988, 0-553-27287-X, $4.95, 487pp, pb, om, cover by Gary Ruddell)
• * 3 Sinners --- see under Don Elliott.
• * Three Survived (Holt, Rinehart & Winston, March 1969, 0-03-076315-0, $2.95, 117pp, hc, n., cover by H. Lawrence Hoffman)
• * Three Survived (Wildside Press, November 23, 2010, 978-1-4344-1620-9, $14.95, 78pp, tp, n., cover by Luca Oleastri)
• * Three Survived (Gateway, September 29, 2011, 978-0-575-10618-5, £4.99, ebook, n.)
• * Till Love Do Us Part --- see under Don Elliott.
• * Time and Time Again (Three Rooms Press, November 6, 2018, 978-1-941110-72-0, $16.00, xxi+463pp, tp, co)
• * The Time Hoppers (Doubleday, May 1967, $3.95, 182pp, hc, n.)
• * The Time Hoppers (SFBC, August 1967, $1.70, viii+182pp, hc, n., cover by Rudolph de Harak)
• * The Time Hoppers (Sidgwick & Jackson, June 1968, 0-283-35491-7, 18/-, viii+182pp, hc, n.)
• * The Time Hoppers (Avon, October 1968, S-372, 60¢, 158pp, pb, n., cover by Don Punchatz)
• * The Time-Hoppers (Tandem, May 1970, 0-426-04124-0, 25p, 190pp, pb, n.)
• * The Time Hoppers (Belmont Tower, August 1974, 50716, 95¢, 182pp, pb, n.)
• * The Time Hoppers (Leisure Books, 1977, 0-8439-0512-3, $1.50, 182pp, pb, n., cover by Attila Hejja)
• * The Time Hoppers (Fontana, March 1979, 0-00-615147-7, 85p, 160pp, pb, n., cover by Justin Todd)
• * The Time Hoppers (Ace, February 1982, 978-0-441-81195-3, $2.25, 196pp, pb, n., cover by Michael Embden)
• * The Time Hoppers (VGSF, March 1988, 0-575-04040-8, £2.95, 191pp, pb, n., cover by Terry Pastor)
• * The Time Hoppers (Gateway, September 29, 2011, 978-0-575-10608-6, £4.99, ebook, n.)
• * A Time of Changes (SFBC, June 1971, #3346, $1.49, 183pp, hc, n., cover by Brad Holland)
• * A Time of Changes (Signet, August 1971, Q4729, 95¢, 220pp, pb, n., cover by Gene Szafran)
• * A Time of Changes (Gollancz, July 1973, 0-575-01610-8, £2.10, 221pp, hc, n.)
• * A Time of Changes (Panther, February 1975, 0-586-03995-3, £0.50, 205pp, pb, n., cover by Bruce Pennington)
• * A Time of Changes (Berkley Books, April 1979, 0-425-04051-8, $1.95, x+214pp, pb, n., cover by Paul Alexander)
• * A Time of Changes (Gollancz, March 1986, 0-575-03820-9, £2.95, 221pp, pb, n.)
• * A Time of Changes (Warner, December 1986, 0-446-34061-8, $3.95, 214pp, pb, n.)
• * A Time of Changes (Easton Press, October 1988, no ISBN, $32.00, 221pp, hc, n.)
• * A Time of Changes (Orb, May 2009, 978-0-7653-2231-9, $14.95, 300pp, tp, n.)
• * A Time of Changes (Gollancz, August 20, 2020, 978-1-4732-2923-5, £9.99, xii+300pp, tp, n., cover by Getty Images)
• * Time of the Great Freeze (Holt, Rinehart & Winston, April 1964, $3.50, 192pp, hc, n., cover by Brinton Turkle)
• * Time of the Great Freeze (Dell, September 1966, 8922, 50¢, 192pp, tp, n., cover by Schaare)
• * Time of the Great Freeze (Ace, August 1980, 0-441-81190-6, $1.95, ix+195pp, pb, n., cover by Paul Alexander)
• * Time of the Great Freeze (Tor, February 1988, 0-812-55469-8, $2.95, 205pp, pb, n., cover by Thomas Kidd)
• * Time of the Great Freeze (Gateway, September 29, 2011, 978-0-575-10601-7, £4.99, ebook, n.)
• * Time of the Great Freeze (ReAnimus Press, November 27, 2017, 978-1-9811-9748-4, $12.99, 214pp, tp, n.)
• * Times Three (Subterranean Press, April 2011, 978-1-59606-319-8, $40.00, 473pp, hc, om, cover by John Picacio)
• * To Be Continued (Subterranean Press, November 2006, 1-59606-061-1, $35.00, 392pp, hc, co, cover by Bob Eggleton)
• * To Be Continued (Gateway, September 29, 2011, 978-0-575-10664-2, £2.99, ebook, co)
• * To Be Continued (Subterranean Press, March 20, 2012, 978-1-59606-507-9, $18.95, 392pp, tp, co, cover by Tomas Maronski)
• * To Live Again (Doubleday, September 1969, $4.95, 231pp, hc, n., cover by Pat Steir)
• * To Live Again (SFBC, January 1970, #2135, $1.49, 231pp, hc, n., cover by Pat Steir)
• * To Live Again (Dell, January 1971, 8973, 75¢, 207pp, pb, n.)
• * To Live Again (Sidgwick & Jackson, February 1975, 0-283-98175-X, £3.25, 231pp, hc, n., cover by Dave Sumner)
• * To Live Again (Fontana, May 1977, 0-00-614609-0, 75p, 231pp, pb, n., cover by Jim Burns)
• * To Live Again (Berkley Books, June 1978, 0-425-03774-6, $1.95, 12+208pp, pb, n., cover by Paul Alexander)
• * To Live Again (Warner, September 1986, 0-446-34058-8, $3.95, 208pp, pb, n., cover by Jim Burns)
• * To Live Again (VGSF, July 1987, 0-575-03989-2, £2.95, 231pp, pb, n., cover by Jim Burns)
• * To Live Again (Pulpless.Com, May 1999, 1-58445-018-5, $19.95, 245pp, tp, n., cover by Billy Tackett)
• * To Live Again (Gateway, September 29, 2011, 978-0-575-10619-2, £4.99, ebook, n.)
• * To Live Again/The Second Trip (Open Road Integrated Media, October 8, 2013, 978-1-4804-4852-0, $20.99, 504pp, tp, om)
• * Tom O’Bedlam (Donald I. Fine, June 1985, 0-917657-31-4, $16.95, 320pp, hc, n., cover by Loretta Trezzo)
• * Tom O’Bedlam (QPBC, November 1985, no ISBN, $8.95, 320pp, pb, n., cover by Loretta Trezzo)
• * Tom O’Bedlam (Gollancz, April 1986, 0-575-03773-3, £9.95, 320pp, hc, n., cover by Mike Embden)
• * Tom O’Bedlam (Warner, August 1986, 0-446-34002-2, $3.95, 374pp, pb, n., cover by Jim Burns)
• * Tom O’Bedlam (Orbit, May 1987, 0-7088-3372-1, £2.95, 320pp, pb, n., cover by Mark Salwowski)
• * Tom O’Bedlam (Olmstead Press, June 2001, 978-1-58754-116-2, $14.95, xv+303pp, tp, n.)
• * Tom O’Bedlam (Open Road Integrated Media, July 28, 2015, 978-1-5040-1429-8, $17.99, 436pp, tp, n.)
• * To Open the Sky [Blue Fire] (Ballantine, May 1967, U6093, 75¢, 222pp, pb, n., cover by Richard Powers)
• * To Open the Sky [Blue Fire] (Sphere, May 1970, 78409, 30p, 202pp, pb, n.)
• * To Open the Sky [Blue Fire] (Gregg Press, June 1977, 0-8398-2382-7, $11.00, xi+222pp, hc, n.)
• * To Open the Sky [Blue Fire] (Berkley Books, July 1978, 0-425-03810-6, $1.95, 14+209pp, pb, n., cover by Paul Alexander)
• * To Open the Sky [Blue Fire] (Bantam, December 1984, 0-553-24502-3, $2.75, 222pp, pb, n.)
• * To Open the Sky (Pulpless.Com, June 1999, 1-58445-045-2, $19.95, 234pp, tp, n., cover by Billy Tackett)
• * To Open the Sky [Blue Fire] (Gateway, September 29, 2011, 978-0-575-10609-3, £4.99, ebook, n.)
• * To Open the Sky [Blue Fire] (Three Ravens Publishing, November 28, 2023, 978-1-962791-21-2, $13.99, 261pp, tp, n.)
• * The Tormented --- see under Marlene Longman.
• * To the Dark Star (Gateway, September 29, 2011, 978-0-575-10665-9, £2.99, ebook, co)
• * To the Dark Star: 1962-69 (Subterranean Press, June 2007, 978-1-59606-089-0, $35.00, 391pp, hc, co)
• * To the Dark Star: 1962-69 (Subterranean Press, April 30, 2012, 978-1-59606-508-6, $18.95, 392pp, tp, co)
• * To the Land of the Living [Gilgamesh; Heroes in Hell] (Gollancz, April 27, 1989, 0-575-04461-6, £12.95, 308pp, hc, n., cover by Jim Burns)
• * To the Land of the Living [Gilgamesh; Heroes in Hell] (Questar, March 1990, 0-445-20844-9, $4.95, 310pp, pb, n., cover by Paul & Steve Youll)
• * To the Land of the Living [Gilgamesh; Heroes in Hell] (Easton Press, March 1990, no ISBN, 310pp, hc, n.)
• * To the Land of the Living [Gilgamesh; Heroes in Hell] (VGSF, March 22, 1990, 0-575-04496-9, £3.99, 308pp, pb, n., cover by Steve Crisp)
• * To the Land of the Living [Gilgamesh; Heroes in Hell] (Gateway, September 29, 2011, 978-0-575-10637-6, £4.99, ebook, n.)
• * To the Land of the Living [Gilgamesh; Heroes in Hell] (Open Road Integrated Media, July 28, 2015, 978-1-5040-1443-4, $18.99, 454pp, tp, n.)
• * To the Rock of Darius: The Story of Henry Rawlinson (Holt, Rinehart and Winston, October 1966, 97909-0916, 218pp, hc, bg, cover by Alan E. Cober)
• * To the Western Shore: The Growth of the United States 1776-1853 (Doubleday, May 1971, LC:71-144297, $3.95, 207pp, hc, nf)
• * Tower of Glass (Charles Scribner’s Sons, October 1970, $5.95, 247pp, hc, n.)
• * Tower of Glass (Bantam Books, May 1971, 978-0-553-06902-0, $0.75, 184pp, pb, n., cover by Blossom)
• * Tower of Glass (Panther, April 1976, 586-04301-2, 60p, 206pp, pb, n., cover by Colin Hay)
• * Tower of Glass (Warner, August 1987, 0-446-34509-1, $3.95, 184pp, pb, n., cover by Don Dixon)
• * Tower of Glass (Orbit, October 1987, 0-7088-8243-9, £2.50, 206pp, pb, n., cover by Mark Salwowski)
• * Tower of Glass (Gollancz, April 20, 2000, 0-575-07097-8, £9.99, 206pp, tp, n., cover by Sue Michniewicz)
• * Tower of Glass (Gateway, September 29, 2011, 978-0-575-10621-5, £4.99, ebook, n.)
• * Tower of Glass (ReAnimus Press, September 10, 2019, 978-1-6923-4694-2, $14.95, 273pp, tp, n., cover by Jim Burns)
• * To Worlds Beyond (Chilton, April 1965, $3.95, xvi+171pp, hc, co)
• * To Worlds Beyond (Sphere, June 1969, 78425, 5/-, 158pp, pb, co)
• * Treasures Beneath the Sea (Whitman Publishing Company, October 1960, LC:61-00562, 92pp, hc, nf, cover by Norman Kenyon)
• * Treasures Beneath the Sea (Scholastic, November 1971, TW1932, 60¢, 78pp, tp, nf, cover by Mort Kunstler)
• * Trips (Gateway, September 29, 2011, 978-0-575-10667-3, £2.99, ebook, co)
• * Trips: 1972-73 (Subterranean Press, May 2009, 978-1-59606-212-2, $35.00, 411pp, hc, co)
• * Twilight Women --- see under L. T. Woodward, M.D..
• * Twisted Love --- see under Mark Ryan.
• * The Ugly Little Boy (with Isaac Asimov) --- see under Isaac Asimov.
• * Unfamiliar Territory (Scribner’s, September 1973, 684-13432-2, $5.95, 212pp, hc, co)
• * Unfamiliar Territory (Gollancz, January 1975, 0-575-01919-0, £2.50, 212pp, hc, co)
• * Unfamiliar Territory (Coronet, 1977, 0-340-21978-5, 90p, 204pp, pb, co, cover by Jim Burns)
• * Unfamiliar Territory (Berkley Books, December 1978, 0-425-03882-3, $1.95, xii+207pp, pb, co, cover by Paul Alexander)
• * The Untamed --- see under Don Elliott.
• * Unwilling Sinner --- see under Loren Beauchamp.
• * Up the Line (Ballantine, August 1969, 01680, 75¢, 250pp, pb, n., cover by Ron Walotsky)
• * Up the Line (Sphere, May 1975, 0-7221-7835-2, 50p, 207pp, pb, n.)
• * Up the Line (Del Rey, June 1978, 0-345-27388-5, $1.75, 250pp, pb, n., cover by Murray Tinkelman)