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D-13 THEODORE S. DRACHMAN Cry Plague (listed as "ACE original") and D-13b LESLIE EDGLEY The Judas Goat (listed as "complete and unabridged")
D-31 A. E. VAN VOGT The World of Null-A (c. 1948; cover by Stanley Meltzoff; listed as "complete and unabridged") and A. E. VAN VOGT Universe Maker (listed as "ACE original")
D-36 ROBERT E. HOWARD Conan the Conqueror (listed as "complete and unabridged") and LEIGH BRACKETT The Sword of Rhiannon (cover by Schultz; listed as "ACE original")
D-44 ERIC FRANK RUSSELL Sentinels of Space (cover by Schultz) and D-44b DONALD A. WOLLHEIM (ed.) The Ultimate Invaders and Other Science-Fiction: Stories From the Four Corners of Time (cover by Stanley Meltzoff)
D-53 MURRAY LEINSTER (aka WILL F. JENKINS) Gateway to Elsewhere (listed as "ACE original") and D-53b A. E. VAN VOGT The Weapon Shops of Isher (listed as "complete and unabridged")
D-61 L. SPRAGUE de CAMP Cosmic Manhunt (listed as "ACE original") and D-61b CLIFFORD D. SIMAK Ring Around the Sun (listed as "complete and unabridged")
D-69 ANDRE NORTON Daybreak -2250 A.D. (original title: Star Man's Son; listed as "complete and unabridged") and D-69b LEWIS PADGETT (aka HENRY KUTTNER) & C. L. MOORE Beyond Earth's Gate
D-73 DONALD A. WOLLHEIM (ed.) Adventures in the Far Future (cover by Ed Valigursky) and D-73b DONALD A. WOLLHEIM (ed.) Tales of Outer Space (cover by Lawrence)
D-79 FRANCIS RUFUS BELLAMY Atta: A Novel of a Most Extraordinary Adventure and D-79b MURRAY LEINSTER (aka WILL F. JENKINS) The Brain-Stealers (listed as "complete and unabridged")
D-84 ISAAC ASIMOV The Rebellious Stars (original title: The Stars, Like Dust; listed as "complete and unabridged") and D-84b ROGER DEE (aka ROGER D. AYCOCK) An Earth Gone Mad (cover by Ed Valigursky; listed as "complete and unabridged")
D-94 A. E. VAN VOGT One Against Eternity (original title: The Weapon Makers; cover by Ed Valigursky; listed as "complete and unabridged") and D-94b MURRAY LEINSTER (aka WILL F. JENKINS) The Other Side of Here (cover by Stanley Meltzoff; listed as "complete and unabridged")
D-96 ANDRE NORTON The Last Planet (original title: Star Ranger; 1953; listed as "complete and unabridged") and D-96b ALAN E. NOURSE A Man Obsessed (cover by Peyton; 1955; listed as "complete novel")
D-99 ROBERT MOORE WILLIAMS Conquest of the Space Sea (cover by Ed Valigursky; listed as "complete and unabridged") and LEIGH BRACKETT The Galactic Breed (original title: The Starmen; listed as "revised edition")
D-103 PHILIP K. DICK Solar Lottery (cover by Ed Valigursky; listed as "complete novel") and LEIGH BRACKETT The Big Jump (cover by Schultz; listed as "complete and unabridged")
D-110 POUL ANDERSON No World of Their Own (listed as "complete novel") and ISAAC ASIMOV 1,000 Year Plan (original title: Foundation; cover by Ed Valigursky); listed as "abridged")
D-113 DWIGHT V. SWAIN The Transposed Man (listed as "complete and unabridged") and D-113b J. T. McINTOSH (aka JAMES MURDOCH MacGREGOR) One in 300 (cover by Ed Valigursky; listed as "complete and unabridged")
D-118 CHARLES L. HARNESS The Paradox Men (original title: Flight Into Yesterday; listed as "complete and unabridged") and JACK WILLIAMSON Dome Around America (cover by Ed Valigursky; listed as "complete novel")
D-121 SAM MERWIN, JR. 3 Faces of Time (cover by Ed Valigursky; listed as "complete and unabridged") and D-121b ANDRE NORTON The Stars Are Ours! (cover by Ed Valigursky; listed as "complete and unabridged")
D-139 NICK BODDIE WILLIAMS The Atom Curtain (cover by Ed Valigursky) and GORDON R. DICKSON Alien from Arcturus (listed as "complete and unabridged")
D-146 MURRAY LEINSTER (aka WILL F. JENKINS) The Forgotten Planet (listed as "complete and unabridged") and D-146b LEE CORREY (aka G. HARRY STINE) Contraband Rocket (cover by Ed Valigursky; listed as "complete novel")
D-150 PHILIP K. DICK The World Jones Made (cover by Schultz; listed as "complete and unabridged") and MARGARET ST. CLAIR Agent of the Unknown (cover by Ed Valigursky; listed as "complete novel")
D-162 JERRY SOHL The Mars Monopoly (cover by Ed Valigursky; listed as "complete and unabridged") and D-162b R. DE WITT MILLER & ANNA HUNGER The Man Who Lived Forever (cover by Stanley Metzoff; listed as "complete novel")
D-164 GORDON R. DICKSON Mankind On The Run (cover by Ed Valigursky; listed as "complete novel") and D-164b ANDRE NORTON The Crossroads of Time (listed as "complete and unabridged")
D-173 RAY CUMMINGS The Man Who Mastered Time (cover by Ed Valigursky; listed as "complete and unabridged") and D-173b JOSEPH E. KELLEAM Overlords From Space (listed as "complete novel")
D-176 MARGARET ST CLAIR The Green Queen (listed as "complete novel") and D-176b THOMAS CALVERT McCLARY 3 Thousand Years (cover by Ed Valigursky; listed as "complete and unabridged")
D-193 PHILIP K. DICK The Man Who Japed (cover by Ed Emshwiller - 'Emsh' - first cover for ACE Doubles; listed as "complete and unabridged") and E.. C. TUBB The Space-Born (cover by Ed Valigursky; listed as "complete novel")
D-199 ANDRE NORTON Star Guard (cover by Emsh; listed as "complete and unabridged") and D-199b POUL ANDERSON Planet of No Return (cover by Ed Valigursky; listed as "complete novel")
D-205 DONALD A. WOLLHEIM (ed.) The Earth in Peril (cover by Emsh) and LAN WRIGHT (aka LIONEL PERCY WRIGHT) Who Speaks of Conquest? (cover by Stanley Metzoff; listed as "complete novel")
D-215 ERIC FRANK RUSSELL Three to Conquer (listed as "complete and unabridged") and D-215b ROBERT MOORE WILLIAMS Doomsday Eve (cover by Ed Valigursky; listed as "complete and unabridged")
D-223 ROBERT SILVERBERG The 13th Immortal (cover by Ed Valigursky; listed as "complete novel") and D-223b JAMES E. GUNN This Fortress World (cover by Emsh; listed as "abridged")
D-227 H. BEAM PIPER & JOHN J. McGUIRE Crisis in 2140 (cover by Emsh; listed as "complete novel") and D-227b CYRIL JUDD (aka C. M. KORNBLUTH and JUDITH MERRILL) Gunner Cade (listed as "complete and unabridged")
D-237 ROBERT SILVERBERG Master of Life and Death (cover by Emsh; listed as "complete and unabridged") and D-237b JAMES WHITE The Secret Visitors
D-242 A. E. VAN VOGT Empire of the Atom (cover by Ed Valigursky; listed as "abridged") and FRANK BELKNAP LONG Space Station #1 (cover by Emsh; listed as "complete novel")
D-249 ANDREW NORTH (aka ANDRE NORTON) Sargasso of Space (cover by Emsh; listed as "complete and unabridged") and D-249b PHILIP K. DICK The Cosmic Puppets (cover by Ed Valigursky)
D-255 KENNETH BULMER City Under the Sea (cover by Ed Valigursky; listed as "complete novel") and D-255b POUL ANDERSON Star Ways (cover by Emsh; listed as "complete and unabridged")
D-266 E. C. TUBB The Mechanical Monarch (cover by Ed Valigursky; listed as "complete novel") and D-266b CHARLES L. FONTENAY Twice Upon a Time (cover by Emsh; listed as "complete and unabridged")
D-277 MURRAY LEINSTER (aka WILL F. JENKINS) City On The Moon (cover by Emsh) and D-277b DONALD A. WOLLHEIM (ed.) Men On The Moon (cover by Emsh)
D-286 ROBERT SILVERBERG Invaders From Earth (cover by Emsh; listed as "complete novel") and D-286b DAVID GRINNELL (aka DONALD A. WOLLHEIM) Across Time (cover by Ed Valigursky; listed as "complete and unabridged")
D-291 RAYMOND Z. GALLUM People Minus X (cover by Emsh; listed as "complete and unabridged") and D-291b CALVIN M. KNOX (aka ROBERT SILVERBERG) Lest We Forget Thee, Earth (cover by Ed Valigursky; listed as "complete novel")
D-295 JACK VANCE (aka JOHN HOLBROOK VANCE) Slaves of the Klau (listed as "complete novel") and JACK VANCE (aka JOHN HOLBROOK VANCE) Big Planet (cover by Emsh; listed as "complete and unabridged")
D-299 ANDRE NORTON Star Born (cover by Emsh; listed as "complete and unabridged") and D-299b H. BEAM PIPER & JOHN J. McGUIRE A Planet for Texans (cover by Kershaw; listed as "complete novel")
D-303 POUL ANDERSON The Snows of Ganymede (cover by Ed Valigursky; listed as "complete novel") and D-303b POUL ANDERSON War of the Wing-Men (cover by Emsh; listed as "complete and unabridged")
D-311 ROBERT SILVERBERG Stepsons of Terra (cover by Emsh; listed as "complete and unabridged") and IAN WRIGHT (aka LIONEL PERCY WRIGHT) A Man Called Destiny (cover by Ed Valigursky; listed as "complete novel")
D-315 ERIC FRANK RUSSELL Six Worlds Yonder (cover by Emsh) and ERIC FRANK RUSSELL The Space Willies (listed as "complete and unabridged")
D-322 ROBERT MOORE WILLIAMS The Blue Atom (cover by Ed Valigursky; listed as "complete and unabridged") and D-322b ROBERT MOORE WILLIAMS The Void Beyond and Other Stories (cover by Emsh)
D-331 KENNETH BULMER The Secret of Z1 (cover by Emsh; listed as "complete and unabridged") and RAY CUMMINGS Beyond the Vanishing Point (cover by Ed Valigursky; listed as "complete novel")
D-335 POUL ANDERSON The War of Two Worlds (cover by Ed Valigursky; listed as "complete novel") and JOHN BRUNNER Threshold of Eternity (cover by Emsh; listed as "complete and unabridged")
D-345 ANDREW NORTH (aka ANDRE NORTON) Plague Ship (cover by Ed Valigursky; listed as "complete and unabridged") and D345b ANDREW NORTH (aka ANDRE NORTON) Voodoo Planet (cover by Emsh; listed as "complete novel")
D-351 EDMOND HAMILTON The Sun Smasher (cover by Emsh; listed as "complete novel") and D-351b IVAR JORGENSON (aka ROBERT SILVERBERG) Starhaven (cover by Ed Valigursky; listed as "complete and unabridged")
D-358 CALVIN M. KNOX (aka ROBERT SILVERBERG) The Plot Against Earth (cover by Ed Valigursky; listed as "complete and unabridged") and D-358b MILTON LESSER (aka STEPHEN MARLOWE) Recruit for Andromeda (cover by Emsh; listed as "complete novel")
D-362 JOHN BRUNNER The 100th Millennium (cover by Ed Valigursky; listed as "complete novel") and D-362b DAVID GRINNELL (aka DONALD A. WOLLHEIM) Edge of Time (cover by Emsh; listed as "complete and unabridged")
D-369 BRIAN W. ALDISS Vanguard From Alpha (cover by Emsh; listed as "complete novel") and D-369b KENNETH BULMER The Changeling Worlds (cover by Ed Valigursky; listed as "complete and unabridged")
D-375 DAMON KNIGHT Masters of Evolution (cover by Emsh; listed as "first book publication") and D-375b GEORGE O. SMITH Fire in the Heavens (listed as "complete and unabridged")
D-381 JERRY SOHL One Against Herculum (cover by Emsh; listed as "complete novel") and ANDRE NORTON Secret of the Lost Race (cover by Ed Valigursky; listed as "first book publication")
D-385 JOHN BRUNNER Echo In The Skull (cover by Schultz; listed as "first book publication") and ALAN E. NOURSE Rocket To Limbo (cover by Emsh; listed as "complete and unabridged")
D-391 JOHN BRUNNER The World Swappers (listed as "first book publication") and D-391b A. E. VAN VOGT Siege of the Unseen (cover by Ed Valigursky; listed as "complete novel")
D-403 MURRAY LEINSTER (aka WILL F. JENKINS) The Mutant Weapon (listed as "complete novel") and D-403b MURRAY LEINSTER The Pirates of Zan (cover by Emsh; listed as "first book publication")
D-407 ROBERT SILVERBERG The Planet Killers (listed as "first book publication") and D-407b POUL ANDERSON We Claim These Stars (cover by Ed Valigursky; listed as "complete novel")
D-413 HARLAN ELLISON The Man With Nine Lives (cover by Emsh; listed as "complete novel") and D-413b HARLAN ELLISON A Touch of Infinity (cover by Ed Valigursky)
D-421 PHILIP K, DICK Dr. Futurity (cover by Ed Valigursky; listed as "first book publication") and JOHN BRUNNER Slavers of Space (cover by Emsh; listed as "complete novel")
D-427 ROBERT MOORE WILLIAMS World of Masterminds (cover by Ed Valigursky; listed as "complete novel") and ROBERT MOORE WILLIAMS To the Edge of Time and Other Stories (cover by Emsh; 1960; listed as "first book publication")
D-431 GEORGE O. SMITH Lost In Space (cover by Ed Valigursky; listed as "complete and unabridged") and A. E. VAN VOGT Earth's Last Fortress (cover by Emsh; listed as "first book publication")
D-437 ANDRE NORTON The Sioux Spaceman (cover by Ed Valigursky; listed as "first book publication") and D-437b RICHARD WILSON And Then the Town Took Off (listed as "complete novel")
D-443 MANLY WADE WELLMAN The Dark Destroyers (cover by Ed Valigursky; listed as "abridged") and BRIAN ALDISS Bow Down to Nul (cover by Emsh; listed as "first book publication")
D-449 GORDON R. DICKSON The Genetic General (cover by Ed Valigursky; listed as "first book publication") and D-449b GORDON R. DICKSON Time to Teleport (cover by Emsh; listed as "complete novel")
D-453 KENNETH BULMER The Earth Gods Are Coming (cover by Ed Valigursky; listed as "complete novel") and D-453b MARGARET ST. CLAIR The Games of Neith (cover by Emsh; listed as "first book publication")
D-457 PHILIP K. DICK Vulcan's Hammer (cover by Emsh; listed as "first book publication") and D457b JOHN BRUNNER The Skynappers (cover by Ed Valigursky; listed as "complete novel")
D-465 JOHN BRUNNER Atlantic Abomination (cover by Emsh; listed as "first book publication") and D-465b DAVID GRINNELL (aka DONALD A. WOLLHEIM) The Martian Missile (cover by Ed Valigursky; listed as "complete and unabridged")
D-471 JOHN BRUNNER Sanctuary in the Sky (cover by Basil; listed as "complete novel") and D-471b JACK SHARKEY (aka JOHN MICHAEL SHARKEY) The Secret Martians (cover by Ed Valigursky; listed as "first book publication")
D-479 WILSON TUCKER To the Tombaugh Station (cover by Ed Valigursky; listed as "first book publication") and POUL ANDERSON Earthman, Go Home! (cover by Emsh; listed as "complete novel")
D-485 ROBERT A. W. LOWNDES The Puzzle Planet (cover by Emsh; listed as "first book publication") and D-485b LLOYD BIGGLE, JR. The Angry Esper (cover by Ed Valigursky; listed as "complete novel")
D-491 FRITZ LEIBER The Big Time (cover by Emsh; listed as "first book publication") and FRITZ LEIBER The Mind Spider and Other Stories (cover by Emsh)
D-497 RAY CUMMINGS Wandl the Invader (cover by Ed Valigursky; listed as "first book publication") and D-497b KEITH WOODCOTT (aka JOHN BRUNNER) I Speak For Earth (cover by Emsh; listed as "complete novel")
D-507 JOHN BULMER Beyond the Silver Sky (cover by Emsh; listed as "complete novel") and D-507b KENNETH BRUNNER Meeting At Infinity (cover by John Schoenherr - first cover for ACE doubles; listed as "first book publication")
D-509 ANDRE NORTON The Beast Master (cover by Ed Valigursky; listed as "abridged") and D-509b ANDRE NORTON Star Hunter (cover by Emsh; listed as "first book publication")
D-517 A. BERTRAM CHANDLER Bring Back Yesterday (cover by Ed Valigursky; listed as "first book publication") and D-517b CLIFFORD SIMAK The Trouble With Tycho (cover by John Schoenherr; listed as "complete novel")
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