American company Ace Books began publishing genre fiction starting in 1952. Initially these were mostly in tête-bêche format with the ends of the two parts meeting in the middle and with a divider between them which functioned as the rear cover of both (the two parts were oriented upside-down with respect to each other in order to effect this), but the company also published some single volumes during the early years. The proportion of singles increased until they stopped producing doubles about 1978. The tête-bêche format was discarded in 1973, but future double novels were continued for a while with both parts oriented the same way, so that the first page of one part followed soon after the last page of the other part.

Between 1952 and 1968, the books had a letter-series identifier; after that date they were given five-digit numeric serial numbers. The list given here includes every Ace Double Book published between 1952 and 1978, for all genres. It gives a date of publication; in all cases this refers to the date of publication by Ace, and not the date of original publication of the novels. For more information about the history of these titles, see the entry for Ace Books, which includes a discussion of the serial numbering conventions used and an explanation of the letter-code system.

Genres and collectability Ace published science fiction, mysteries, and Westerns, as well as books not in any of these genres. Several bibliographic references have been compiled for the science fiction books (see ).

Because the tête-bêche format is part of the attraction for some collectors, titles published between 1974 and 1978, which contained two titles by one or two authors but which are not tête-bêche, are not regarded by some collectors as true Ace Doubles. All the books are included in the list given below, with the difference in format noted.

The list given here includes an indication of the genre of the works, in italics after the serial number. Abbreviations used are "SF" for science fiction titles; "MY" for mystery titles, and "WE" for Westerns. In addition, "NA" is used to mean "not applicable", when one or both of the books is not in one of these three genres; and "UN", when the genre of the books is not known. The list also gives a date of publication; in all cases this refers to the date of publication by Ace, and not necessarily the date of original publication of the novels.

The list is thought to be complete, but there may be minor omissions among the later lists.

For more information about the history of these titles, see Ace Books, which includes a discussion of the serial numbering conventions used and an explanation of the letter-code system.

Jokes The double format inspired contests for ironic or satirical combinations of titles that might appear, as in "No Blade of Grass"/"The Sheep Look Up".

D and S Series D-001 MY Samuel W. Taylor The Grinning Gismo / Keith Vining Too Hot For Hell (1952) D-002 WE William Colt MacDonald Bad Man's Return / J. Edward Leithead Bloody Hoofs (1952) D-003 MY Mel Colton The Big Fix / Kate Clugston Twist the Knife Slowly (A Murderer in the House) (1952) D-004 WE Lewis B. Patten Massacre at White River / Walter A. Tompkins Rimrock Rider (1952) D-005 MY Eaton R. Goldthwaite The Scarlet Spade / Harry Whittington Drawn To Evil (1952) D-006 WE William E. Vance The Branded Lawman / Nelson C. Nye Plunder Valley (1952) D-007 MY Stephen Ransome I, the Executioner (False Bounty) / Harry Whittington So Dead My Love! (1953) D-008 WE Allan K. Echols Terror Rides the Range / Tom West Gunsmoke Gold (1953) D-009 MY Michael Morgan Decoy / Sherwood King If I Die Before I Wake (1953) D-010 WE Leslie Scott The Brazos Firebrand / Gordon Young Hell on Hoofs (1953) D-011 MY Day Keene Mrs. Homicide / William L. Stuart Dead Ahead D-012 WE Dudley Dean Mcgaughty (as Dean Owen) The Man From Boot Hill / Dan J. Stevens Wild Horse Range (1953) D-013 NA Theodore S. Drachman Cry Plague! / Leslie Edgley The Judas Goat (1953) D-014 WE Paul Evan Lehman Vultures On Horseback / George Kilrain Maverick With A Star (1953) D-015 MY William Burroughs (as William Lee) Junkie / Maurice Helbrant Narcotic Agent (1953) D-016 MY Edmond de Goncourt and J. De Goncourt Germinie / Paul Bourget Crime D'Amour (1953) D-017 MY William Campbell Gault (as Roney Scott) Shakedown / Howard Fast (as Walter Ericson) The Darkness Within D-018 WE J. Edward Leithead The Lead-Slingers / Samuel Peeples (as Brad Ward) The Hanging Hills (1953) D-019 MY Hal Braham (as Mel Colton) Never Kill A Cop / Leslie Edgley Fear No More (1953) D-020 WE Roy Manning The Desparado Code / Allan K. Echols Double-Cross Brand D-021 MY John N. Makris Nightshade / Lester Dent High Stakes (1953) D-022 WE Bliss Lomax Maverick Of The Plains / Leslie Scott Badlands Masquerader (1953) D-023 MY Louis Trimble (as Stuart Brock) Bring Back Her Body / Richard Sale Passing Strange (1953) D-024 WE Tom West Vulture Valley / John Callahan The Sidewinders (1953) D-025 NA P. G. Wodehouse Quick Service / The Code Of The Woosters (1953) D-026 NA Harold Acton and Lee Yi-Hsieh (translators) Love In A Junk And Other Exotic Tales / Charles Pettit The Impotent General (1953) D-027 MY Bruno Fischer The Fingered Man / Hal Braham (as Mel Colton) Double Take (1953) D-028 WE Paul Evans Gunsmoke Kingdom / William E. Vance Avenger From Nowhere (1953) D-029 MY Ross Laurence The Fast Buck / J. F. Hutton Dead Man Friday D-030 WE George Kilrain South To Santa Fe / Samuel Peeples (as Brad Ward) Johnny Sundance (1953) D-031 SF A. E. van Vogt The World of Null-A / The Universe Maker (1953) D-033 MY Carl G. Hodges Murder By The Pack / Frank Kane About Face D-034 WE Ken Murray Hellion's Hole / Ken Murray Feud In Piney Flats (1953) D-035 NA Rae Loomis The Marina Street Girls / Jack Houston Open All Night (1953) D-036 SF Robert E. Howard Conan the Conqueror / Leigh Brackett The Sword of Rhiannon (1953) D-037 MY Marvin Claire The Drowning Wire / Will Oursler Departure Delayed (1953) D-038 WE Bliss Lomax Outlaw River / Louis L'Amour (as Jim Mayo) Showdown At Yellow Butte D-039 WE Frank Gruber Quantrell's Raiders / Frank Gruber Rebel Road (1953) D-040 MY Cornell Woolrich (as William Irish) Waltz Into Darkness / Malden Grange Bishop Scylla D-041 MY Day Keene Death House Doll / Thomas B. Dewey Mourning After (1953) D-042 WE Walter A. Tompkins One Against The Bullet Horde / Charles M. Martin Law For Tombstone (1954) D-044 SF Donald A. Wollheim (ed.) The Ultimate Invader and Other Science-Fiction / Eric Frank Russell Sentinels From Space (1954) D-045 MY Martin L. Weiss Dead Hitches A Ride / Leslie Edgley Tracked Down (1954) D-046 WE Chuck Martin Law From Back Beyond / Roy Manning Vengeance Valley (1954) D-047 MY Joe Barry Kiss And Kill / Richard Powell On The Hook (1954) D-048 WE Louis L'Amour (as Jim Mayo) Utah Blaine / Brad Ward Desert Showdown (1954) D-049 MY Dan Cushman Tongking! / Charles Grayson Golden Temptress D-050 NA Wilene Shaw The Mating Call / Ozro Grant The Bad 'Un (1954) D-051 MY Emmett Mcdowell Switcheroo / Lawrence Treat Over The Edge (1954) D-052 WE William Colt Macdonald Boomtown Buccaneers / Louis L'Amour Crossfire Trail (1954) D-053 SF Murray Leinster Gateway to Elsewhere / A. E. van Vogt The Weapon Shops of Isher (1954) D-055 MY Robert Turner The Tobacco Auction Murders / Michael Stark Kill-Box D-056 WE Bliss Lomax Ambush At Coffin Canyon / Dwight Bennett Newton (as Clement Hardin) Hellbent For A Hangrope (1954) D-057 MY A. S. Fleischman Counterspy Express / M. V. Heberden (as Charles L. Leonard) Treachery In Trieste (1954) D-059 MY Robert Bloch Spiderweb / David Alexander The Corpse In My Bed (1951) D-061 SF L. Sprague de Camp Cosmic Manhunt / Clifford D. Simak Ring Around The Sun (1954) D-063 MY Harry Whittington You'll Die Next! / Frederick C. Davis Drag The Dark D-064 WE Paul Evan Lehman Bullets Don't Bluff / Chandler Whipple Under The Mesa Rim (1954) D-065 MY Edward Kimbrough Night Fire / Juanita Osborne Tornado (1954) D-068 WE Walker A. Tompkins Deadwood / William Hopson Bullet-Brand Empire (1954) D-069 SF Lewis Padgett (Henry Kuttner) and C. L. Moore) Beyond Earth's Gates / Andre Norton Daybreak—2250 A. D. (1954) D-071 MY John Creasey (as Gordon Ashe) Drop Dead! / Margaret Scherf The Case Of The Hated Senator (1954) D-072 WE Ralph R. Perry Night Rider Deputy / Norman A. Fox The Devil's Saddle (1954) D-073 SF Donald A. Wollheim (ed.) Adventures in the Far Future / Donald A. Wollheim (ed.) Tales of Outer Space (1954) D-077 MY Leigh Brackett (as George Sanders) Stranger At Home / Stephen Marlowe Catch The Brass Ring (1954) D-078 WE Nelson Nye The One-Shot Kid / Tom West Lobo Legacy (1954) D-079 SF Francis Rufus Bellamy Atta / Murray Leinster The Brain Stealers (1954) D-081 MY John A. Saxon Liability Limited / Sheldon Stark Too Many Sinners D-084 SF Isaac Asimov The Rebellious Stars / Roger Dee An Earth Gone Mad (1954) D-086 WE Richard Brister The Shoot-Out At Sentinel Peak / Roy Manning Tangled Trail (1954) D-089 MY Stephen Marlowe Turn Left For Murder / Ruth Wilson and Alexander Wilson Death Watch (1955) D-092 WE Burt Arthur The Drifter / Richard Wormser and Dan Gordon The Longhorn Trail (1955) D-094 SF Murray Leinster The Other Side of Here / A. E. van Vogt One Against Eternity (1955) D-096 SF Andre Norton (as Andrew North) The Last Planet / Alan E. Nourse A Man Obsessed (1955) D-098 WE Nelson Nye Texas Tornado / Samuel A. Peeples (as Samuel Anthony Peeples) The Lobo Horseman (1955) D-099 SF Robert Moore Williams Conquest of the Space Sea / Leigh Brackett The Galactic Breed (1955) D-101 MY Jack Karney Knock 'Em Dead / Hal Braham (as Mel Colton) Point Of No Escape D-103 SF Philip K. Dick Solar Lottery / Leigh Brackett The Big Jump (1955) D-106 WE D. L. Bonar Lawman Without A Badge / Lee Floren Four Texans North (1955) D-109 MY Dale Clark Mambo To Murder / Sterling Noel I See Red (1955) D-110 SF Isaac Asimov The 1000 Year Plan / Poul Anderson No World of Their Own (1955) D-112 WE Frank Castle Border Buccaneers / Harry Sinclair Drago Trigger Gospel (1955) D-113 SF Dwight V. Swain The Transposed Man / J. T. McIntosh One in 300 (1955) D-115 MY Harry Whittington One Got Away / Cleve F. Adams Shady Lady (1955) D-118 SF Charles L. Harness The Paradox Men / Jack Williamson Dome Around America (1955) D-120 WE John Mcgreevey Bounty Man / Samuel A. Peeples (as Samuel Anthony Peeples) The Call Of The Gun D-121 SF Andre Norton The Stars are Ours! / Sam Merwin, Jr. Three Faces of Time (1955) D-123 MY Gil Brewer The Squeeze / Frank Diamond Love Me To Death (1955) D-128 WE William Hopson High Saddle / William E. Vance Way Station West (1955) D-129 MY Day Keene The Dangling Carrot / Norman C. Rosenthal Silenced Witnesses (1955) D-134 WE Gene Olsen The Outsiders / Nelson Nye Tornado On Horseback (1955) D-135 MY Milton K. Ozaki Maid For Murder / Rene Brabazon Raymond (as James Hadley Chase) Dead Ringer (1955) D-138 WE Paul Evan Gunsmoke Over Sabado / T. V. Olsen Haven Of The Hunted (1956) D-139 SF Nick Boddie Williams The Atom Curtain / Gordon R. Dickson Alien From Arcturus (1956) D-144 WE Jay Albert The Man From Stony Lonesome / Rod Patterson A Killer Comes Riding (1956) D-146 SF Lee Correy Contraband Rocket / Murray Leinster The Forgotten Planet (1956) D-147 MY Gregory Jones Prowl Cop / Norman Herries My Private Hangman (1956) D-149 MY Ronald Kayser (as Dale Clark) A Run For The Money / Mark Macklin The Thin Edge Of Mania (1955) D-150 SF Philip K. Dick The World Jones Made / Margaret St. Clair Agent of the Unknown (1956) D-156 WE Lee Floren Thruway West / Stephen C. Lawrence The Naked Range (1956) D-157 MY Louis Trimble Stab In The Dark / Jonathon Gant Never Say No To A Killer D-160 WE Karl Kramer Action Along The Humboldt / Michael Carder Decision At Sundown D-162 SF Jerry Sohl The Mars Monopoly / R. DeWitt Miller and Anna Hunger The Man Who Lived Forever, (1956)