* first edition + first US edition ?? unknown item type A4 paper size, 297mm x 210mm A5 paper size, 210mm x 148mm ad adaptation ai author's introduction to story an anthology Apr April ar article Aug August Aut Autumn aw afterword bedsheet 8½" x 11¼" bg biography bi bibliographic material br book review bx boxed set of books CBS Columbia Broadcasting System cl column cn contest co collection of stories by one author cr criticism cs comic strip ct cartoon Dec December digest 5" x 7½", square bound magazine e/s edge-stapled ed editorial ex extract F&SF The Magazine of Fantasy & Science Fiction fa facetious article Feb February Fll Fall/Autumn fp frontispiece fw foreword ga graphic anthology gc graphic collection gm gamebook gn graphic novel gp group of related stories gr game review gs graphic story hc hardcover hu humor ia illustrated article IASFM Isaac Asimov's Science Fiction Magazine ibc inside back cover If IF / Worlds of If Science Fiction ifc inside front cover il illustration in introduction ins insert is introduction to story ISBN international standard book number iv interview ix index Jan January Jul July Jun June large 8½" x 11" LCC# Library of Congress Catalog Number lk linking material lt letter Mar March May May mg magazine mr movie review ms miscellaneous mv movie n. novel (over 100 pages, over 40,000 words) na novella (46-100 pages, 17,500-39,999 words) nf non-fiction Nov November nv novelette (21-45 pages, 7,500-17,499 words) nw newspaper oa original anthology oc original collection Oct October octavo 5½" x 8½" saddle-stapled om omnibus edition pb paperback ph pamphlet/chapbook pi pictorial pl play pm poem pp prose poem pr preface pt photography pulp 6½" x 9", pulp paper, square bound magazine pz puzzle qp quality paperback quarto 8½" x 11" saddle-stapled qz quiz rd radio review rr round-robin s/b square-bound s/s saddle-stapled sa story adaptation of a play/screenplay Sep September sf special feature sg song si section introduction sl serial segment sp speech Spr Spring sr story review ss short story (4-20 pages, 1,000-7,499 words) standard 6½" x 9", slick paper, square bound magazine Sum Summer sy symposium tb tabloid tc title change te true experience th theater review tp trade paperback tr translation ts true story U.K. United Kingdom U.S. United States uw unfinished work v volume vi vignette (under 4 pages, under 1,000 words) Win Winter