20403-1 TERRI WINDLING and MARK ALAN ARNOLD (eds.) Elsewhere: Tales of Fantasy (illustrated by Terri Windling and cover by George de Hoff; 1981; 1st ACE printing and PBO; fantasy)
20404-X TERRI WINDLING and MARK ALAN ARNOLD (editors) Elsewhere: Tales of Fantasy vol. II (cover by George de Hoff; 1982; 1st ACE printing and PBO; fantasy)
20571 SAMUEL R. DELANY Empire Star (c.1966) and The Ballad Of Beta-2 (c.1965)
20571 (back cover)
20275 ALAN GARNER Elidor (c. 1965)
20547-X PHYLLIS GOTLIEB Emperor, Swords, Pentacles (1st ACE printing 1985)
Sequel to A Judgement of Dragons
20556 H. BEAM PIPER Empire (1st thus)
20563 FRED SABERHAGEN Empire of the East
20565 BARRINGTON J. BAYLEY Empire of Two Worlds (interior illustration by Jack Gaughan; 1972)
20656-5 KEITH LAUMER End As A Hero (1st ACE printing 1985)
20660-3 MARION ZIMMER BRADLEY Endless Universe (wrap-around cover by Lombardo; 1st ACE printing and PBO 1975)
20660-3 (back cover)
20661-1 MARION ZIMMER BRADLEY Endless Universe (cover by Attila Hejja; April 1979; 2nd ACE printing)
20664 JERRY POURNELLE Endless Frontier, Volume I
20670 JUDITH MERRILL (ed.) England Swings SF: Stories of Speculative Fiction (1st ACE printing)
20724-3 POUL ANDERSON Ensign Flandry (cover by Michael Whelan; c. 1966; 1st ACE printing February 1979)
20726-X POUL ANDERSON Ensign Flandry (c. 1966; nd)
20729-4 POUL ANDERSON Ensign Flandry (c. 1966; later printing)
20730 KEITH LAUMER Envoy To New Worlds (cover by Emsh; c. 1963; 1969)
21430-4 MACK REYNOLDS Equality: In the Year 2000 (cover by Davis Meltzer; 1st ACE printing 1977)
21562 EDGAR RICE BURROUGHS Escape on Venus (c. 1964; nd)
21567-X EDGAR RICE BURROUGHS Escape On Venus (c. 1964; nd)
21590 JAMES WHITE The Escape Orbit (1983)
21599 CHRISTOPHER STASHEFF Escape Velocity
21803 EDGAR RICE BURROUGHS The Eternal Savage (original title: The Eternal Lover; cover by Roy Krenkel; c. 1963; nd)
21804 EDGAR RICE BURROUGHS The Eternal Savage (c. 1963; later printing)
21806-7 EDGAR RICE BURROUGHS The Eternal Savage (c. 1963; later printing)
21885-7 JERRY POURNELLE Exiles to Glory (c.1977; 2nd ACE printing September 1980)
21888-1 ROBERT A. HEINLEIN Expanded Universe (2nd ACE printing; nd)
21889-X ROBERT A. HEINLEIN Expanded Universe (7th ACE printing November 1983)
22215-3 JERRY POURNELLE Exiles to Glory (cover by Boris Vallejo; c. 1977; 1978)
22216 JERRY POURNELLE Exiles to Glory (c. 1977; later printing)
22332-X TIM HOLT Expecting Someone Taller (1990, 1st thus; fantasy mystery)
22365 ANDRE NORTON Exiles of the Stars
22367-2 ANDRE NORTON Exiles of the Stars (cover by John Rush)
22368-0 ANDRE NORTON Exiles of the Stars (1984; later printing)
22374-5 FRANK HERBERT Eye
22375 ANDRE NORTON Eye of the Monster (c. 1962; nd)
22386 PHILIP K. DICK Eye In The Sky (cover by Harry Bennett; 1975)
22387 PHILIP K. DICK Eye In The Sky (c. 1975; 1980)
22388-5 MIKE CONNER Eye of the Sun (cover by Barclay Shaw; 1988; 1st ACE printing)
22500 JACK VANCE (aka JOHN HOLBROOK VANCE) The Faceless Man: Book One of the Durdane Trilogy
22577-2 MARION ZIMMER BRADLEY Falcons of Narabedla (c. 1964; 1979)
22640 SAMUEL R. DELANY The Fall of the Towers (cover by Kelly Freas; nd)
22641 SAMUEL R. DELANY The Fall of the Towers (cover by Kelly Freas; nd)
22643-4 SAMUEL R. DELANY Out of the Dead City (original title: Captives of the Flame; c. 1963; nd)
22690 BARRY N. MALZBERG The Falling Astronauts (cover by Davis Metzler; 1971)
22744-9 GRAHAM MASTERTON Famine (1981; 1st ACE printing; ACE Charter edition)
22799-6 GORDON R. DICKSON The Far Call (1st ACE printing, February 1983)
22811 A. E. VAN VOGT The Far-Out Worlds of Van Vogt (c. 1968)
22812 A. E. VAN VOGT The Worlds of A. E. Van Vogt (cover by B. Forbes)
22819-4 EDMUND COOPER A Far Sunset (1977)
22830 D. G. COMPTON Farewell, Earth's Bliss (cover by Karel Thole; revised U. S. edition 1971)
22876-3 MELINDA M. SNODGRASS Final Circuit (cover by Don Dixon)
23189-6 H. BEAM PIPER Federation (cover by Michael Whelan; February 1982; listed as "first mass market edition")
23419 H. BEAM PIPER (edited & expanded by Michael Kurland) First Cycle (1982; 1st ACE printing)
23500 GENE WOLFE The Fifth Head of Cerberus
23929 DENNIS SCHMIDT Twilight of the Gods: The First Name
23998 SHARIANN LEWITT First and Final Rites
24035 MACK REYNOLDS (aka DALLAS McCORD REYNOLDS) Five Way Secret Agent and Mercenary From Tomorrow
24035 (back cover)
24071-2 POUL ANDERSON Flandry of Terra (cover by Michael Whelan)
24590 R. A. LAFFERTY Fourth Mansions (cover by Leo and Diane Dillon; 1969; 1st ACE printing and PBO)
24620 ANDRE NORTON Forerunner Foray (wrap-around cover art by Charles Mikolaycak; 1st ACE printing February 1975; listed as "first paperback publication")
24713-X GORDON R. DICKSON The Forever Man (cover by James Gurney; nd; 3rd printing)
24800 JULES VERNE For the Flag (c. 1961)
24806-3 DAVID C. SMITH & RICHARD TIERNEY For the Witch of the Mists (cover by Ezra Tucker; 1st ACE printing March 1981)
24892-6 H. BEAM PIPER Four-Day Planet and Lone Star Planet.
24903 ROGER ZELAZNY Four For Tomorrow (Introduction by Theodore Sturgeon)
24905-1 ROGER ZELAZNY Four For Tomorrow (c. 1967; later printing)
25130 FORREST J. ACKERMAN (ed.) Boris Karloff: The Frankenscience Monster (cover by Verne Tossey; 1969; 1st thus; biography)
25460 MARY STATON From the Legend of Biel (1975; 1st ACE printing and PBO)
25461 MARY STATON From the Legend of Biel (c. 1975; nd)
25950 SUZETTE HADEN ELGIN Furthest (cover by Leo and Diane Dillon; 1971; 1st ACE printing and PBO)
25970-7 REGINALD BRETNOR (ed.) The Future At War, Vol. 2: Thor's Hammer (cover by Vincent di Fate; 1st ACE printing August 1979)
25971-5 REGINALD BRETNOR (ed.) The Future At War, Vol. 2: The Spear of Mars (cover by Vincent di Fate; 1st ACE printing March 1980)
25980 A. E. VAN VOGT Future Glitter (cover by Foley?; 1st ACE printing October 1973)
26176-0 H. BEAM PIPER Fuzzies and Other People (cover by Michael Whelan)
26181-7 WILLIAM TUNING Fuzzy Bones (cover by Michael Whelan; 1981; 1st ACE printing)
26187-6 H. BEAM PIPER Fuzzy Sapiens (original title: The Other Human Race; nd)
26190 H. BEAM PIPER Fuzzy Sapiens (original title: The Other Human Race; cover by Michael Whelan; 1st ACE printing June 1976)
26191-4 H. BEAM PIPER Fuzzy Sapiens (original title: The Other Human Race; cover by Michael Whelan; c. 1976; 2nd ACE printing)
26192-X H. BEAM PIPER Fuzzy Sapiens (original title: The Other Human Race; cover by Michael Whelan; nd)
26194-9 H. BEAM PIPER The Fuzzy Papers (cover by Michael Whelan; nd)
26196-5 H. BEAM PIPER Fuzzy Sapiens (cover by Michael Whelan; c. 1976; nd)
27226 ANDRE NORTON Galactic Derelict (c. 1964; nd)
27228 ANDRE NORTON Galactic Derelict (c. 1964; nd)
27229 ANDRE NORTON Galactic Derelict (c. 1964; 1978)
27232 JACK VANCE (aka JOHN HOLBROOK VANCE) Galactic Effectuator (1981)
27240 MACK REYNOLDS (aka DALLAS McCORD REYNOLDS) Galactic Medal of Honor (1st ACE printing August 1976)
27242-8 KEVIN RANDLE The Galactic Silver Star (1990)
27280-0 KEITH LAUMER The Galaxy Builder (cover by John Ennis; 1984; 1st ACE printing)
27291 EDWARD E. "DOC" SMITH The Galaxy Primes (c. 1965; nd)
27296 JAMES BAEN (ed.) Galaxy: The Best of My Years (1980; 1st ACE printing)
27310 PHILIP K. DICK The Game-Players of Titan (1972)
27346 PHILIP K. DICK and RAY NELSON The Ganymede Takeover (1977)
27389 PHILIP JOSE FARMER The Gates of Creation (1981)
27501 SAMUEL R. DELANY The Fall of the Towers (cover by Kelly Freas; nd)
27905 EDMUND COOPER Gender Genocide (original title: Who Needs Men?; 1973; 1st thus)
27910 HOWARD FAST The General Zapped An Angel (cover by Karel Thole; 1970)
28702-6 JAMES P. BLAYLOCK The Stone Giant (cover by Darrell Sweet; 1989)
28860 RON GOULART The Fire-Eater (1970; 1st ACE printing)
29400 L. SPRAGUE de CAMP The Glory That Was (c. 1952, this is the 1979 edition)
29401-4 ROBERT A. HEINLEIN Glory Road (nd; probably 3rd ACE printing)
29525 ROBERT E. HOWARD The Gods of Bal-Sagoth (1st ACE printing)
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