If [Vol. 17 No. 10, Issue 119, October 1967] ed. Frederik Pohl (Galaxy Publishing Corporation, 60¢, 164pp, digest, cover: Ocean on Top by Castellon) []
If [Vol. 17 No. 11, Issue 120, November 1967] ed. Frederik Pohl (Galaxy Publishing Corporation, 60¢, 164pp, digest, cover: Thus Spake Marco Polo by Vaughn Bodé) []
_162 · [letter from Baton Rouge, LA] · Thomas Miller · lt
If [Vol. 17 No. 12, Issue 121, December 1967] ed. Frederik Pohl (Galaxy Publishing Corporation, 60¢, 164pp, digest, cover: City of Yesterday by Douglas Chaffee) []
If [Vol. 18 No. 1, Issue 122, January 1968] ed. Frederik Pohl (Galaxy Publishing Corporation, 60¢, 164pp, digest, cover: He That Moves by John Pederson, Jr.) []
If [Vol. 18 No. 2, Issue 123, February 1968] ed. Frederik Pohl (Galaxy Publishing Corporation, 60¢, 164pp, digest, cover: The Petrified World by Bodé) []
4 · The Day We Launched the Moonship · Frederik Pohl · ed
_161 · [letter from Berrien Springs, MI] · Mrs. Rhoda Wills · lt
_162 · [letter from Mason City, IA] · Vance E. James · lt
_162 · [letter from Allen Park, MI] · James Koval · lt
If [Vol. 18 No. 4, Issue 125, April 1968] ed. Frederik Pohl (Galaxy Publishing Corporation, 60¢, 164pp, digest, cover: The Product of the Masses by Bodé) []
4 · For a Festival of Science Fiction · Frederik Pohl · ed
_161 · [letter from Knoxville, TN] · James M. Gale · lt
_162 · [letter from New York, NY] · Mort Werner · lt
If [Vol. 18 No. 7, Issue 128, July 1968] ed. Frederik Pohl (Galaxy Publishing Corporation, 60¢, 164pp, digest, cover: The Sleeper with Still Hands by Gray Morrow) []
54 · Gone to Graveyards, Everyone · Paul M. Moffett · ss; illustrated by Wehrle; given as “Gone to the Graveyards, Everyone” in the Table of Contents. an “IF First”.
_161 · [letter from Ashland, KY] · Rick Norwood · lt
162 · What Would You Do About Vietnam? · [uncredited] · cn
If [Vol. 18 No. 8, Issue 129, August 1968] ed. Frederik Pohl (Galaxy Publishing Corporation, 60¢, 164pp, digest, cover: Rogue Star by Douglas Chaffee) []
4 · Guest Editorial: Whaddya Read? · H. L. Gold · ed