List of Ace SF Double Titles - F Series

F Series

• F-104 SF Kenneth Bulmer No Man's World / Poul Anderson Mayday Orbit (1961)
• F-108 SF G. McDonald Wallis The Light of Lilith / Damon Knight The Sun Saboteurs (1961)
• F-113 SF Charles L. Fontenay Rebels of The Red Planet / J. T. McIntosh 200 Hundred Years to Christmas (1961)
• F-117 SF Marion Zimmer Bradley The Door Through Space / A. Bertram Chandler Rendezvous on a Lost World (1961)
• F-119 SF Gordon R. Dickson Spacial Delivery / Delusion World (1961)
• F-123 SF Robert Silverberg Collision Course / Leigh Brackett The Nemesis From Terra (1961)
• F-127 SF Marion Zimmer BradleySeven From The Stars / Keith Laumer Worlds Of The Imperium (1962)
• F-129 SF William F. Temple The Automated Goliath / William F. Temple The Three Suns Of Amara (1962)
• F-133 SF John Brunner Secret Agent of Terra / A. Bertram Chandler The Rim of Space (1962)
• F-139 SF Poul Anderson The Makeshift Rocket/Un-Man and Other Stories (1962)
• F-141 SF Robert Moore Williams The Darkness Before Tomorrow / John Brunner (as Keith Woodcott) The Ladder In The Sky (1962)
• F-145 SF Robert Silverberg Next Stop The Stars / The Seed of Earth (1962)
• F-147 SF Andre Norton The Sea Siege / The Eye of The Monster (1962)
• F-149 SF Robert Moore Williams King of the Fourth Planet / Charles V. de Vet and Katherine MacLean Cosmic Checkmate (1962)
• F-153 SF Marion Zimmer Bradley The Sword of Aldones / The Planet Savers (1962)
• F-161 SF John Brunner Times Without Number / Donald A. Wollheim (as David Grinnel) Destinies Orbit (1962)
• F-165 SF Philip José Farmer Cache From Outer Space / The Celestial Blueprint (1962)
• F-173 SF James White Second Ending / Samuel R. Delany The Jewels of Aptor (1962)
• F-177 SF Terry Carr Warlord of Kor / Robert Moore Williams The Star Wasps (1963)
• F-185 SF Jack Vance 5 Gold Bands / The Dragon Masters (1963)
• F-187 SF Leigh Brackett Alpha Centauri or Die! / G. McDonald Wallis Legend of Lost Earth (1963)
• F-195 SF Robert Silverberg The Silent Invaders / William F. Temple Battle on Venus (1963)
• F-199 SF John Brunner (as Keith Woodcott) The Psionic Menace / Samuel R. Delany Captives of the Flame (1963)
• F-209 SF Ken Bulmer The Wizard of the Starship Poseidon / Poul Anderson Let The Spacemen Beware! (1963)
• F-215 SF John Brunner Listen! The Stars / Jane Roberts The Rebellers (1963)
• F-223 SF Keith Laumer Envoy to New Worlds / Robert Moore Williams Flight From Yesterday (1963)
• F-227 SF John Brunner Astronauts Musn't Land / The Space-Time Juggler (1963)
• F-237 SF A. Bertram Chandler The Ship From Outside / Beyond the Galactic Rim (1963)
• F-242 SF John Brunner The Rites of Ohe / Castaway World (1963)
• F-249 SF L. Sprague de Camp The Hand of Zei/The Search for Zei (1963)
• F-253 SF Robert Silverberg (as Calvin M. Knox) One of Our Asteroids is Missing / A. E. van Vogt The Twisted Men (1964)
• F-261 SF Samuel R. Delany The Towers of Toron / Robert Moore Williams The Lunar Eye (1964)
• F-265 SF Jack Vance The Houses of Iszm / Son of The Tree (1964)
• F-273 SF Marion Zimmer Bradley Falcons of Narabedla / The Dark Intruder (1964)
• F-275 SF Philip E. High No Truce With Terra / Murray Leinster The Duplicators (1964)
• F-285 SF Fritz Leiber Ships to the Stars / Ken Bulmer The Million Year Hunt (1964)
• F-289 SF Ken Bulmer Demons' World / Tom Purdom I Want the Stars (1964)
• F-299 SF John Brunner Endless Shadow/ Gardner Fox The Arsenal of Miracles (1964)