60563 EDGAR RICE BURROUGHS The Oakdale Affair (cover by Frank Frazetta; July 1974; 1st ACE printing; listed as "First Time in Paperback")
60739-X FRED SABERHAGEN Octagon (July 1981; 1st ACE printing)
62160-0 FRED SABERHAGEN An Old Friend of the Family (cover by Bob Adragna; 1979; 1st ACE printing)
62161-9 FRED SABERHAGEN An Old Friend of the Family (cover by Bob Adragna; c.1979; May 1981; 2nd ACE printing)
62380 GEORGE ZEBROWSKI The Omega Point (wrap around cover by Bob Pepper; August 1972; 1st ACE printing and PBO)
62380 (back cover)
62381-6 GEORGE ZEBROWSKI The Omega Point Trilogy (cover by Attila Hejja; November 1983; 1st ACE printing and PBO)
62382-4 STEVE PERRY and MICHAEL REAVES The Omega Cage (wrap around cover by Royo; April 1988; 1st ACE printing)
62686-6 TIM POWERS On Stranger Tides (cover by Jim Gurney; c.1987; November 1988; 1st ACE paperback printing; ACE fantasy)
62938 BOB SHAW One Million Tomorrows (cover by Leo and Diane Dillon; 1970; September 1971; 1st ACE printing and PBO)
This is one of the ACE Science Fiction Specials (1st Series).
62940 TERRY CARR (ed.) On Our Way to the Future (cover by Charles Gross; 1970; 1st thus)cov
63041-3 JAMES MORROW Only Begotten Daughter (cover by Michael Racz; July 1991)
63160-6 GORDON R. DICKSON On The Run (original title: Mankind on the Run; cover by Roger Stine; c. 1956; November 1979, 1st thus with this title)
63161-4 GORDON R. DICKSON On The Run (original title: Mankind on the Run; cover by Roger Stine; c. 1956; 1979, ~1982; 2nd ACE printing)
63165 KENNETH BULMER On The Symb-Socket Circuit (cover by Kelly Freas; 1972)
63166-5 KENNETH BULMER On The Symb-Socket Circuit (cover by David Schleinkofer; c.1972; August 1977)
63410 ANDRE NORTON Operation Time Search (cover and interior illustration by Jack Gaughan; January 1969; 1st ACE printing)
63411 ANDRE NORTON Operation Time Search (c.1969; 1973)
63412 ANDRE NORTON Operation Time Search (c.1969; 1973; 1977)
63484-2 JOHN VARLEY The Ophiuchi Hotline (cover by Todd Cameron Hamilton; 1993; 1st ACE printing)
63500-8 JESSICA AMANDA SALMONSON Qu Lu Khen and the Beautiful Madwoman (cover by Kinuko Craft; July 1985; 1st ACE printing; ACE fantasy)
63590 JOHN RANKINE (aka DOUGLAS RANKINE MASON) Operation Umanaq (cover appears as by Vincent Di Fate with an interior illustration by Waldman; February 1973; 1st ACE printing)
63754-X POUL ANDERSON Orbit Unlimited (cover by Alan Gutierrez; c.1961; July 1984; 1st ACE printing)
63780 BOB SHAW Orbitsville (cover by David Schleinkofer; January 1977; 1st ACE printing and PBO)
This is one of the ACE Science Fiction Specials (2nd. Series)
and listed as #10.
63781-7 BOB SHAW Orbitsville (cover by David Schleinkofer; c.1977; 1982; 2nd ACE printing)
63819-8 ANDRE NORTON Ordeal in Otherwhere (cover by Davis Meltzer; interior illustration by Waldman; c.1965; 1969; 1973; 1975; 1977; 1982; February1985)
63821 ANDRE NORTON Ordeal in Otherwhere (cover by Gray Morrow; c.1965; December 1969; 2nd ACE printing)
63822 ANDRE NORTON Ordeal in Otherwhere (interior illustration by Waldman; c.1965; 1969; February 1973; 3rd ACE printing)
63823 ANDRE NORTON Ordeal in Otherwhere (c.1965; 1969; 1973; 1975)
63824 ANDRE NORTON Ordeal in Otherwhere (cover by Davis Meltzer; interior illustration by Waldman; c.1965; 1969; 1973; 1975; March 1977)
63825-2 ANDRE NORTON Ordeal in Otherwhere (cover by Davis Meltzer; c.1965; 1969; 1973; 1975; 1977; July 1982; 6th ACE printing)
63913-5 ROBERT A. HEINLEIN Orphans of the Sky (cover by James Warhola; c.1987; 1992; 5th ACE printing)
64240 BOB SHAW Other Days, Other Eyes (cover by J. H. Breslow; July 1972; 1st ACE printing)
64274-8 HARLAN ELLISON The Other Glass Teat (cover by Barclay Shaw; June 1983)
64400 PHILIP K. DICK Our Friends From Frolix 8 (cover by John Schoenherr; 1970; 1st ACE printing)
64401 PHILIP K. DICK Our Friends From Frolix 8 (cover by David Plourde; 1977; 2nd ACE printing)
64417-1 FRITZ LEIBER Our Lady of Darkness (cover by Norman Walker; c.1977; April 1984; 1st ACE printing and PBO; fantasy and horror)
64451-1 ROBIN McKINLEY The Outlaws of Sherwood (wrap around cover by Darrell K. Sweet; August 1989; 1st ACE printing; ACE fantasy)
64460 MARK S. GESTON Out of the Mouth of the Dragon (cover by John Schoenherr; 1969; 1st ACE printing)
64465-1 PIERS ANTHONY Out Of Phaze (cover by Darrell K. Sweet, with internal maps by Michael Storrings; c.1988; nd; ACE fantasy)
64481 EDGAR RICE BURROUGHS Out of Time's Abyss (cover by Roy G. Krenkel; c.1918; 1963; November 1969; 2nd ACE printing; listed as "Complete & Unabridged")
64482 EDGAR RICE BURROUGHS Out of Time's Abyss (cover by Frank Frazetta; c.1918; 1963; 1969; March 1973; 3rd ACE printing)
64483 EDGAR RICE BURROUGHS Out of Time's Abyss (cover by Frank Frazetta; c.1918; 1963; 1969; 1973; nd - probably 1974)
64484 EDGAR RICE BURROUGHS Out of Time's Abyss (cover by Frank Frazetta; c.1918; 1963; 1969; 1973; nd)
64485-6 EDGAR RICE BURROUGHS Out of Time's Abyss (c.1918; 1963; 1969; 1973; 1979) Different cover art.
64510 EDGAR RICE BURROUGHS The Outlaw of Torn (cover by Roy Krenkel Jr.; c.1968; 1971; 2nd ACE printing; listed as "Complete & Unabridged")
64510 EDGAR RICE BURROUGHS The Outlaw of Torn (cover by Frank Frazetta; c.1968; 1971; January 1973; 3rd ACE printing)
64511 EDGAR RICE BURROUGHS The Outlaw of Torn (cover by Frank Frazetta; c.1968; 1971; 1973; nd; 4th ACE printing)
64512 EDGAR RICE BURROUGHS The Outlaw of Torn (cover by Frank Frazetta; c.1968; 1971; 1973; nd; 5th ACE printing)
64513-5 EDGAR RICE BURROUGHS The Outlaw of Torn (cover by Frank Frazetta; c.1968; 1971; 1973; November 1978; 6th ACE printing)
64514-3 EDGAR RICE BURROUGHS The Outlaw of Torn (cover by Frank Frazetta; c.1968; 1971; 1973; 1978; May 1982; 7th ACE printing)
64571-2 GREGORY FEELEY The Oxygen Barons (cover by Dave Archer; July 1990; 1st ACE printing)
64576-3 HARLAN ELLISON Paingod and Other Delusions (c.1965; 1975; December 1983; 1st ACE printing)
65050 BOB SHAW The Palace of Eternity (cover by Leo and Diane Dillon; 1969; 1st ACE printing and PBO)
This is one of the ACE Science Fiction Specials (1st Series).
65065-1 CARTER SCHOLZ and GLENN HARCOURT Palimpsets (cover by Attilla Hejja; September 1984; 1st ACE printing and PBO)
65089-9 WILLIAM GREENLEAF The Pandora Stone (1984; 1st ACE printing)
65125 JACK WILLIAMSON The Pandora Effect (cover by C. Gross; 1969, 1st ACE printing)
65127-5 JAMES P. BLAYLOCK The Paper Grail (cover by Kang Yi; c.1991; February 1992; 1st ACE printing; ACE fantasy)
65134-8 DIANA L. PAXSON The Paradise Tree (cover by Kinuko Craft; August 1987; ACE fantasy)
65146-1 JOHN DeCHANCIE Paradox Alley (cover by James Gurney; January 1987; 1st ACE printing and PBO)
65169-0 H. BEAM PIPER Paratime (cover by Michael Whelan; August 1981; 1st ACE printing)
65170-4 H. BEAM PIPER Paratime (cover by Michael Whelan; c.1981; December 1982; 3rd ACE printing)
65170-4 (back cover)
65192-5 JON DeCLES (aka DON STUDEBAKER) The Particolored Unicorn (cover by Darrell K. Sweet; c.1987; 2nd ACE edition; ACE fantasy)
65204-2 HARLAN ELLISON Partners In Wonder (cover by Barclay Shaw; March 1983; 1st ACE printing)
65205-0 HARLAN ELLISON Partners In Wonder (cover by Barclay Shaw; c.1983; nd; 2nd ACE printing)
65241-7 SEAN STEWART Passion Play (cover by Keith Birdsong; December 1993; 1st ACE printing; this copy is the 2nd edition)
65301-4 R. A. LAFFERTY Past Master (cover by John Melo; c.1968; 1972; November 1977)
65302-2 R. A. LAFFERTY Past Master (cover by John Melo; c.1968; 1972; nd)
65303-0 R. A. LAFFERTY Past Master (c.1968; 1972; July 1981; 4th ACE printing)
65304-9 ROBERT A. HEINLEIN The Past Through Tomorrow (cover by James Warhola; c.1987; May 1988; 2nd ACE printing)
65315-4 LARRY
NIVEN The Patchwork Girl (cover and interior art by
Fernando Fernandez; April 1980; 1st trade paperback ACE printing)
65316-2 LARRY NIVEN The Patchwork Girl (cover and interior art by Fernando Fernandez; c.1980; 1981; listed as "1st mass market paperback edition")
65317-0 LARRY NIVEN The Patchwork Girl (cover and interior art by Fernando Fernandez; c.1980; 1981; October 1984; modified cover art)
65390-1 COLIN KAPP Patterns of Chaos (cover by Paul Alexander; May 1978)
65430 KEITH ROBERTS Pavane (cover by Diane and Leo Dillon; c.1966; 1968; 1st ACE printing)
This is one of the ACE Science Fiction Specials (1st Series). This is also (in my estimation) one of the best of the "alternate history" tales ever written.
65431-2 KEITH ROBERTS Pavane (cover by Charles Mikolaycak; c.1966; April 1982; 2nd ACE printing)
65482-7 FRED SABERHAGEN and JOAN SABERHAGEN (eds.) Pawn To Infinity (1982; 1st ACE printing)
65740-0 ROLAND J. GREEN Peace Company (cover by Luis Royo; October 1985; 1st ACE printing)
65741-9 ROLAND J. GREEN These Green Foreign Hills (cover by Les Edwards; 1st ACE printing 1987)
65742-7 ROLAND J. GREEN The Mountain Walks (cover by Les Edwards; September 1989)
65851 EDGAR RICE BURROUGHS Pellucidar (cover and interior sketch by Roy Krenkle Jr.; c.1915; 1962; 1968; nd; listed as "complete and unabridged")
65851 (back cover)
65852 EDGAR RICE BURROUGHS Pellucidar (cover by Frank Frazetta; c.1915; 1962; 1968; September 1972; 2nd ACE printing)
65853 EDGAR RICE BURROUGHS Pellucidar (cover by Frank Frazetta; c.1915; 1962; 1968; 1972; 1974; 5th ACE printing)
65854 EDGAR RICE BURROUGHS Pellucidar (cover by Frank Frazetta; c.1915; 1962; 1968; 1972; nd - probably 1976 or 1977)
65855-5 EDGAR RICE BURROUGHS Pellucidar (cover by Frank Frazetta; c.1915; 1962; 1968, 1972; 1978; 1980; January 1982)
65890 JACK WILLIAMSON People Machines (cover by Enrich; 1971; 1st ACE printing)
65941 EDGAR RICE BURROUGHS The People That Time Forgot (cover by Roy Krenkle Jr.; c.1918; 1963; November 1969; 2nd ACE printing)
65942 EDGAR RICE BURROUGHS The People That Time Forgot (cover by Frank Frazetta; c.1918; 1963; 1969; January 1973; 3rd ACE printing)
65943 EDGAR RICE BURROUGHS The People That Time Forgot (cover by Frank Frazetta; c.1918; 1963; 1969; 1973; April 1974; 4th ACE printing)
65944 EDGAR RICE BURROUGHS The People That Time Forgot (cover by Frank Frazetta; c.1918; 1963; 1969; 1973; 1974; October 1975; 5th ACE printing)
65945-4 EDGAR RICE BURROUGHS The People That Time Forgot (cover by Frank Frazetta; c.1918; 1963; 1969; 1973; 1974; 1975; 1982; 9th ACE printing)
65946-2 EDGAR RICE BURROUGHS The People That Time Forgot (c.1918; 1963; 1969; 1973; 1974; 1975; July 1977; 6th ACE printing)
65947-0 EDGAR RICE BURROUGHS The People That Time Forgot (c.1918; 1963; 1969; 1973; 1974; 1975; 1977; June 1979; 7th ACE printing)
65948-9 MACK REYNOLDS (aka DALLAS McCORD REYNOLDS) Perchance to Dream (cover by Dean Ellis; December 1977; 1st ACE printing)
65949-7 POUL ANDERSON The Peregrine (cover by Michael Whelan; c.1956; 1957; February 1978; 2nd ACE printing)
65950-0 AVRAM DAVIDSON Peregrine: Primus (cover by Michael Herring; October 1977; 1st ACE printing; ACE fantasy)
65954-3 POUL ANDERSON The Peregrine (cover by Michael Whelan; c.1956; 1957; 1978; July 1979; 3rd ACE printing)
66100 AVRAM DAVIDSON The Phoenix and the Mirror (cover by Leo and Diane Dillon; c.1966, 1969)
This is one of the ACE Science Fiction Specials (1st. Series).
66141-6 WALT and LEIGH RICHMOND Phase Two (cover by Walter Velez; c.1969; December 1979; 1st ACE printing and PBO)
66155-6 AVRAM DAVIDSON The Phoenix and the Mirror (cover by Stephen Hickman; c.1966, 1969; January 1978; 2nd ACE printing)
66156-4 AVRAM DAVIDSON The Phoenix and the Mirror (cover by Stephen Hickman; c.1966, 1969; 1978; February 1983; 3rd ACE printing)
66201 JOANNA RUSS Picnic On Paradise (cover by J. H. Breslow; c.1968; December 1970; probable 2nd ACE printing)
66225-0 STEVEN BRUST Phoenix (nd)
66232-3 MICK FARREN Phaid the Gambler (wraparound cover by Jim Gurney; c.1981; August 1986; 1st ACE printing)
66238-2 PIERS ANTHONY Phthor (cover by John Jude Palencar; June 1987; 3rd ACE printing)
66251-X ROBERT LYNN ASPRIN Phule's Company (cover by James Warhola; July 1990; 1st ACE printing)
66253-6 ROBERT LYNN ASPRIN Phule's Paradise (cover by Jerry Grace; February 1992; 1st ACE printing and PBO)
66253-6 (back cover)
66320-6 ROBERT E. HOWARD Pigeons From Hell (cover by Esteban Maroto; July 1979; 1st ACE printing)
66385-0 ROBERT SHECKLEY Pilgrimage to Earth (cover by Jordi Penalva; August 1978; 1st ACE printing)
66409-1 SIMON HAWKE The Pimpernel Plot (cover by David Mattingly; September 1984; 1st ACE printing and PBO)
66500 EDGAR RICE BURROUGHS Pirates of Venus (cover and interior art by Roy Krenkel Jr.; c.1963; 1969; nd)
66501 EDGAR RICE BURROUGHS Pirates of Venus (cover and interior art by Roy Krenkel Jr.; c.1963; 1969; nd)
66502 EDGAR RICE BURROUGHS Pirates of Venus (c.1963; 1969; March 1973; listed as 2nd ACE printing - but really the 4th ACE printing)
66503 EDGAR RICE BURROUGHS Pirates of Venus (c.1963; 1969; 1973; nd; same cover as 66502)
66504 EDGAR RICE BURROUGHS Pirates of Venus (c.1963; 1969; 1973; nd; same cover as 66502)
66505 EDGAR RICE BURROUGHS Pirates of Venus (c.1963; 1969; 1973; nd; same cover as 66502)
66506-3 EDGAR RICE BURROUGHS Pirates of Venus (cover by Esteban Maroto; c.1963; 1969; 1973; June 1979; 7th ACE printing)
66507-1 EDGAR RICE BURROUGHS Pirates of Venus (cover by Esteban Maroto; c.1963; 1969; 1973; 1979; October 1981; 8th ACE printing)
66508-X EDGAR RICE BURROUGHS Pirates of Venus (cover by Esteban Maroto; c.1963; 1969; 1973; 1979; 1981; April 1983; 9th ACE printing)
66509-8 EDGAR RICE BURROUGHS Pirates of Venus (cover by Esteban Maroto; c.1963; 1969; 1973; 1979; 1983; August 1984; 10 ACE printing)
66760-0 GRAHAM MASTERTON Plague (c.1977; April 1978; 1st ACE and U.S. printing and PBO)
66760-0 (back cover)
66761-9 GRAHAM MASTERTON Plague (c.1977; 1978; nd; 2nd ACE printing)
66780 WILLIAM BARTON A Plague of All Cowards (August 1976; 1st ACE printing and PBO)
66780 (back cover)
This is one of the ACE Science Fiction Specials (2nd. Series)
and listed as #9.
This is also William Barton's second novel
after Hunting on Kunderer (ACE Double 48245,
1973).
Cover is possibly by Dean Ellis, but still working on this
attribution. Interestingly, this cover art was also used
for ACE 44990-5 (1979) - Laurence M. Janifer Knave
in Hand.
66831 ANDRE NORTON Plague Ship (cover by Ed Valigursky; c.1959; 1964; December 1969; 2nd ACE printing)
66832 ANDRE NORTON Plague Ship (cover by Davis Meltzer; c.1959; 1964; 1969; October 1973; 3rd ACE printing)
66833 ANDRE NORTON Plague Ship (cover by Davis Meltzer; c.1959; 1964; 1969; 1973; 1974; probably 4th ACE printing)
66834 ANDRE NORTON Plague Ship (cover by Davis Meltzer; c.1959; 1964; 1969; 1973; 1974; 1976; 6th ACE printing)
66836-4 ANDRE NORTON Plague Ship (cover by Davis Meltzer; c.1959; 1964; 1969; 1973; 1974; 1976; probably 1981)
66836-4 ANDRE NORTON Plague Ship (cover by Vincent Di Fate; c.1959; 1964; 1969; 1973; 1974; 1976; 1981; May 1982)
66837-2 ANDRE NORTON Plague Ship (cover by Vincent Di Fate; c.1959; 1964; 1969; 1973; 1974; 1976; 1981; 1982; June 1985)
66883-6 PAMELA O'NEILL and KIM MOHAN Gary Gygax's Cyborg Cammando: Book 1: Planet in Peril (1987; 1st thus in ACE New Infinities Edition)
66900 JACK VANCE (aka JOHN HOLBROOK VANCE) Planet of Adventure #2: Servants of the Wankh (cover by Jeff Jones; 1969; 1st ACE printing)
66901 JACK VANCE (aka JOHN HOLBROOK VANCE) Planet of Adventure #3: The Dirdir (cover by Jeff Jones; 1969; 1st ACE printing)
66902 JACK VANCE (aka JOHN HOLBROOK VANCE) Planet of Adventure #4: The Pnume (cover by Jeff Jones; 1970; 1st ACE printing)
66902 (back cover)
66951 URSULA K. LE GUIN Planet of Exile (cover by Josh Kirby; c.1966, May 1971; 2nd ACE printing)
66952 URSULA K. LE GUIN Planet of Exile (cover by JW - who is Jack Woolhiser; c.1966; 1971; March 1973; 3rd ACE printing)
66953 URSULA K. LE GUIN Planet of Exile (cover by Alex Ebel; c.1966; 1971; 1973; December 1974; 4th ACE printing)
66957-3 URSULA K. LE GUIN Planet of Exile (cover by Alex Ebel; c.1966; 1971; 1973; 1974; 1975; 1976; nd)
66995 MACK REYNOLDS The Rival Rigelians (c.1967) and Planetary Agent X (cover by E. L. Kaum; c.1965; June 1974)
67020 MARION ZIMMER BRADLEY The Planet Savers (cover by Michael Whelan; c.1962, 1976)
67021-0 MARION ZIMMER BRADLEY The Planet Savers and The Sword of Aldones (cover by Michael Whelan; same cover for ACE 67020 - a single with only The Planet Savers; c.1962; April 1980)
67022-9 MARION ZIMMER BRADLEY The Planet Savers and The Sword of Aldones (cover by Michael Whelan; same cover for ACE 67020; c.1962; August 1982)
67025-3 MARION ZIMMER BRADLEY The Planet Savers and The Sword of Aldones (cover by Michael Whelan; same cover for ACE 67020; c.1962; 1982; December 1983; 5th ACE printing)
67026-1 MARION ZIMMER BRADLEY The Planet Savers and The Sword of Aldones (cover by James Warhola; c.1962; 1982; 1983; August 1985)
67027-X MARION ZIMMER BRADLEY The Planet Savers and The Sword of Aldones (cover by James Warhola; c.1962; 1982; 1983; 1985; March 1988)
67060 JOHN JAKES The Planet Wizard (cover by Jeff Jones but no notation for identity of artist for interior illustration - though it looks like a Jack Gaughan illustration; 1969; listed as "first book publication")
67061-X JOHN JAKES The Planet Wizard (cover by Alex Ebel; c.1969;1977)
67145-4 MICHAEL KURLAND Pluribus (cover by Boris Vallejo; January 1980; 1st ACE printing)
67402 ROBERT A. HEINLEIN Podkayne of Mars (cover by Carl Lundgren; May 1987; 1st ACE printing)
67402-X ROBERT A. HEINLEIN Podkayne of Mars (cover by Tim White?; c.1987; November 1989; 2nd ACE printing)
67460 MACK REYNOLDS (aka DALLAS McCORD REYNOLDS) Police Patrol: 2000 A. D. (March 1977; 1st ACE printing)
67555 ANDRE NORTON Postmarked the Stars (cover by Jeff Jones and interior illustration by Jack Gaughan; c.1969; March 1971)
67556 ANDRE NORTON Postmarked the Stars (cover by Jeff Jones and interior illustration by Jack Gaughan; c.1969; 1971; 1972' 1975)
67800 PHILIP K. DICK The Preserving Machine (cover by Leo and Diane Dillon; 1969; 1st ACE printing and PBO)
This is one of the ACE Science Fiction Specials (1st Series).
67801 PHILIP K. DICK The Preserving Machine (cover by David Schleinkofer; 1976; 1st ACE printing)
67900 THOMAS M. DISCH The Prisoner (1969)
67900 (back cover)
67901 DAVID McDANIEL The Prisoner #2 (nd)
67902 HANK STINE (aka JEAN MARIE STINE) The Prisoner #3 (1970; photo cover from TV show)
67928-5 BRIAN HERBERT Prisoners of Arionn (cover by Darrell K. Sweet; December 1988; 1st ACE printing)
67936-6 WILLIAM C. DIETZ Prison Planet (cover by Miro; March 1989)
67937-4 L. SPRAGUE de CAMP The Prisoner of Zhamanak (cover by Paul Alexander; c.1982; April 1983; listed as "first publication in paperback")
67952-8 PHILIP JOSE FARMER A Private Cosmos (cover by Boris Vallejo; c.1968; October 1977)
67953-6 PHILIP JOSE FARMER A Private Cosmos (cover by Boris Vallejo; c.1968; 1977; 1979)
67954-4 PHILIP JOSE FARMER A Private Cosmos (cover by Boris Vallejo; c.1968; 1977; 1979; October 1981)
68023-2 GORDON R. DICKSON Pro (cover by Benvenuti; interior illustrations - (listed as "An ACE Illustrated Novel") - by James R. Odbert; October 1978; 1st ACE printing)
68029-1 KIRK MITCHELL Procurator: A Novel of Alternate History (cover by Jim Gurney; April 1984; 1st ACE printing)
68305-3 STEPHEN ROBINETT Projections (cover by Dean Ellis; January 1979; 1st ACE printing)
68312-6 CURTIS H. HOFFMANN Project: Millennium (cover by James Warhola; February 1987; 1st ACE printing and PBO)
68329-0 MIKE RESNICK Prophet (cover by Keith Birdsong; June 1993; 1st ACE printing)
68680-X MICK FARREN Protectorate (cover by Dan La Mountain; January 1985; 1st ACE printing and PBO)
68697-4 RICHARD S. McENROE (ed.) Proteus: Voices for the 80's (A Destinies Special; May 1981; 1st ACE printing)
68790-3 GREG BEAR Psychlone (cover by Edward Soyka; October 1979; 1st ACE printing)
69168-4 ARSEN DARNAY The Purgatory Zone (cover by Don Maitz; July 1981; 1st ACE printing)
69190-0 L. SPRAGUE DE CAMP The Purple Pterodactyls: The Adventures of Wilson Newbury, Ensorcelled Finacier (cover by Stephen Hickman; c. 1979; April 1980; 1st ACE printing)
69222-2 DON CALLANDER Pyromancer (cover by Daniel Horne; May 1992; 1st ACE printing; ACE fantasy)
69222-2 (back cover)
69323-7 ASHLEY McCONNELL Quantum Leap: Too Close For Comfort (cover by Keith Birdsong; April 1993; 1st ACE printing)
69337-7 DENNIS SCHMIDT The Questioner Trilogy: Labyrinth (cover by Rowena; 1st ACE printing)
69348-2 JACK L. CHALKER The Quintara Marathon: The Run to Chaos Keep (cover by Darrell K. Sweet; c.1991; May 1992; 1st ACE mass market paperback printing)
69454-3 ALAN DEAN FOSTER Quozl (wrap-around cover by James Gurney; 1989; 1st ACE printing; ACE fantasy)
69540 D. G. COMPTON The Quality of Mercy (c.1965; revised U. S. edition 1970; 1st ACE printing)
69540 (back cover)
69658-9 L. SPRAGUE DE CAMP The Queen of Zamba (cover by Paul Alexander; c.1977; May 1982; 1st ACE printing)
69660-0 ROBERT THURSTON Q Colony (cover by John Harris; February 1985; 1st ACE printing)
69721-6 JOHN MORRESSY The Questing of Kedrigern (1987; 1st ACE printing; ACE fantasy)
69681 ANDRE NORTON Quest Crosstime (cover by Jack Gaughan; c.1965; nd)
69682 ANDRE NORTON Quest Crosstime (cover by Victor Kalin; c.1965; 1972)
69683 ANDRE NORTON Quest Crosstime (c.1965; 1972; 1975; same cover art as ACE 69682)
69684-8 ANDRE NORTON Quest Crosstime (cover by Davis Meltzer; c.1965; 1972; 1975; January 1981; 5th ACE printing)
69685-6 ANDRE NORTON Quest Crosstime (cover by Davis Meltzer; c.1965; 1972; 1975; 1981; 1985)
69700 A. E. VAN VOGT Quest For the Future (cover by John Schoenherr; c.1970)
69700 A. E. VAN VOGT Quest For the Future (cover by John Schoenherr; December 1972; 2nd ACE printing; )
69770-4 POUL ANDERSON Question and Answer (cover by Michael Whelan; February 1978; 2nd ACE printing)
69779-8 DENNIS SCHMIDT The Questioner Trilogy: Shadow (1990; 1st ACE printing)
69992-8 JACK L. CHALKER Quintara Marathon #1: The Demons at Rainbow Bridge (cover by Darrell K. Sweet; c.1989; June 1990)