F104 KENNETH BULMER No Man's World (cover by Emsh; listed as "First Book Publication") and F104b POUL ANDERSON Mayday Orbit (cover by Ed Valigursky; listed as "Complete Novel")
Mayday Orbit was originally published as A Message in
Secret in Fantastic (magazine) in December 1959.
F108 G. McDONALD WALLIS (aka HOPE CAMPBELL) The Light of Lilith (cover by Emsh; listed as "First Book Publication") and F108b DAMON KNIGHT The Sun Saboteurs (cover by Ed Valigursky; listed as "Complete Novel")
F113 J. T. McINTOSH (aka JAMES MURDOCH MacGREGOR) 200 Years to Christmas (cover by Ed Valigursky; listed as "Complete Novel") and F113b CHARLES L. FONTENAY Rebels of the Red Planet (listed as "First Book Publication")
F117 A. BERTRAM CHANDLER Rendezvous on a Lost World (cover by Emsh; listed as "First Book Publication") and F117b MARION ZIMMER BRADLEY The Door Through Space (listed as "Complete Novel")
F119 GORDON R. DICKSON Delusion World (cover by Ed Valigursky; 1961; listed as "Complete Novel") and F119b GORDON R. DICKSON Special Delivery (listed as "First Book Publication")
F123 LEIGH BRACKETT The Nemesis From Terra (alternate title: Shadow Over Mars; cover by Emsh; c. 1961; listed as "Complete Novel") and F123b ROBERT SILVERBERG Collision Course (cover by Ed Valigursky; 1961; listed as "Complete & Unabridged")
F127 KEITH LAUMER Worlds of the Imperium (cover by Ed Valigursky; 1962; listed as "First Book Publication") and F129b MARION ZIMMER BRADLEY Seven From The Stars (cover by Emsh; 1962; listed as "Complete Novel")
F-127 (spine)
F129 WILLIAM F. TEMPLE The Automated Goliath (1962; listed as "First Book Publication") and F-129b WILLIAM F. TEMPLE The Three Suns of Amara (cover by Emsh; 1962; listed as "Complete Novel")
F133 JOHN BRUNNER Secret Agent of Terra (cover by Emsh; 1962; listed as "First Book Publication") and F-133b A. BERTRAM CHANDLER The Rim of Space (cover by Ed Valigursky)
F139 POUL ANDERSON Un-Man and Other Novellas (cover by Ed Valigursky; 1962; listed as "First Book Publication") and F139b POUL ANDERSON The Makeshift Rocket (cover by Emsh; 1962; listed as "Complete Novel")
F141 ROBERT MOORE WILLIAMS The Darkness Before Tomorrow (cover by Emsh; 1962; listed as "Complete Novel") and F141b KEITH WOODCUTT (aka JOHN BRUNNER) The Ladder in the Sky (cover by Ed Valigursky; 1962; listed as "First Book Publication")
F145 ROBERT SILVERBERG The Seed of Earth (cover by Ed Valigursky; 1962; listed as "First Book Publication") and F145b ROBERT SILVERBERG Next Stop the Stars (cover by Emsh; 1962; listed as "First Book Publication")
F147 ANDRE NORTON Sea Siege (cover by Ed Valigursky; 1962; listed as "Complete & Unabridged") and F147b ANDRE NORTON Eye of the Monster (cover by Emsh; 1962; listed as "First Book Publication")
F149 CHARLES V. DeVET & KATHERINE MacLEAN Cosmic Checkmate (cover by Ed Valigursky; listed as "Complete Novel") and F149b ROBERT MOORE WILLIAMS King of the Fourth Planet (cover by Emsh; llisted as "First Book Publication")
F153 MARION ZIMMER BRADLEY The Sword of Aldones (1962; listed as "First Book Publication") and F153b MARION ZIMMER BRADLEY The Planet Savers (cover by Emsh; 1962; listed as "Complete Novel")
F161 DAVID GRINNELL (aka DONALD A. WOLLHEIM) Destiny's Orbit (cover by Ed Valigursky; listed as "complete and unabridged") and F-161b JOHN BRUNNER Times Without Number (cover by Jack Gaughan; listed as "First Book Publication")
F165 PHILIP JOSE FARMER Cache From Outer Space (listed as "First Book Publication") and F-165b PHILIP JOSE FARMER The Celestial Blueprint and Other Stories (cover by Emsh; listed as "First Book Publication")
F173 SAMUEL R. DELANY The Jewels of Aptor (cover by Jack Gaughan) and F-173b JAMES WHITE Second Ending
F177 TERRY CARR Warlord of Kor (listed as "Complete Novel") and F177b ROBERT MOORE WILLIAMS The Star Wasps (listed as "First Book Publication")
F185 JACK VANCE (aka JOHN HOLBROOK VANCE) The Dragon Masters (cover by Jack Gaughan; 1963; listed as "First Book Publication") and F185b JACK VANCE The Five Gold Bands (cover by Ed Valigursky; 1963; listed as "Complete Novel")
F187 G. McDONALD WALLIS (aka HOPE CAMPBELL) Legend of Lost Earth (listed as "Complete Novel") and F187b LEIGH BRACKETT Alpha Centauri or Die! (cover by Jack Gaughan; 1963; listed as "First Book Publication")
F195 ROBERT SILVERBERG The Silent Invaders (cover by Emsh; 1963; listed as "First Book Publication") and F195b WILLIAM F. TEMPLE Battle on Venus (cover by Ed Valigursky; 1963; listed as "Complete Novel")
F199 KEITH WOODCOTT (aka JOHN BRUNNER) The Psionic Menace (cover by Emsh; 1963; listed as "Complete Novel") and F-199b SAMUEL R. DELANY Captives of the Flame (cover by Jack Gaughan; 1963; listed as "First Book Publication")
F209 KENNETH BULMER The Wizard of the Starship Poseidon (cover by Jack Gaughan; 1963; listed as "First Book Publication") and F209b POUL ANDERSON Let the Spacemen Beware! (alternate title: The Night Face; cover by Emsh; 1963; listed as "Complete Novel"
F215 JOHN BRUNNER Listen! The Stars (cover by Emsh;1963; listed as "Complete Novel") and F215b JANE ROBERTS The Rebellers (cover by Jack Gaughan; 1963; listed as "First Book Publication")
F223 KEITH LAUMER Envoy to New Worlds (cover by Emsh; 1963; listed as "First Book Publication") and F223b ROBERT MOORE WILLIAMS Flight From Yesterday (cover by Jack Gaughan; 1963; listed as "Complete Novel")
Envoy to New Worlds is a collection of Retief stories that includes Protocol, Sealed Orders, Aide Memoire, Policy, and Palace Revolution.
F227 JOHN BRUNNER The Space-Time Juggler (cover by Jack Gaughan; listed as "Complete Novel") and F227b JOHN BRUNNER The Astronauts Must Not Land (cover by Ed Valigursky; listed as "First Book Publication")
F237 A. BERTRAM CHANDLER Beyond the Galactic Rim (cover by Emsh) and F-237b A. BERTRAM CHANDLER The Ship From Outside (cover by Valigursky)
F242 JOHN BRUNNER The Rites of Ohe (cover by Ed Valigursky; listed as "First Book Publication") and F242b JOHN BRUNNER Castaways World (cover by Emsh; 1963; listed as "Complete Novel")
F249 L. SPRAGUE DeCAMP The Hand of Zei (cover by Emsh; 1963; listed as "abridged by the author") and F249b L. SPRAGUE DeCAMP The Search for Zei (cover by Emsh;1963; listed as "complete and unabridged")
F253 A. E. VAN VOGT The Twisted Men (cover by Jack Gaughan; 1964; listed as "First Book Publication") and F253b CALVIN M. KNOX (aka ROBERT SILVERBERG) One of Our Asteroids is Missing (cover by Emsh; 1964; listed as "First Book Publication")
F261 ROBERT MOORE WILLIAMS The Lunar Eye (cover by Ed Valigursky; listed as "Complete Novel") and SAMUEL R. DELANY F261b The Towers of Toron (cover by Emsh; listed as "First Book Publication")
F265 JACK VANCE (aka JAMES HOLBROOK VANCE) Son of the Tree (cover by Jack Gaughamn; listed as "First Book Publication") and F265b JACK VANCE The Houses of Iszm (cover by Jack Gaughan; listed as "Complete Novel")
F273 MARION ZIMMER BRADLEY The Falcons of Narabedla (1964; listed as "Complete Novel") and F273b MARION ZIMMER BRADLEY The Dark Intruder & Other Stories (cover by Jack Gaughan; 1964; listed as "First Book Publication")
F275 MURRAY LEINSTER (aka WILL F. JENKINS) The Duplicators (cover by Jack Gaughan; listed as "First Book Publication") and F275b PHILIP E. HIGH No Truce With Terra (listed as "Complete Novel")
F285 KENNETH BULMER The Million Year Hunt (cover by Emsh; listed as "First Book Publication") and F285b FRITZ LEIBER Ship to the Stars (cover by Jack Gaughan; 1964; listed as "First Book Publication")
F289 KENNETH BULMER Demons' World (cover and interior illustration by Jack Gaughan; listed as "First Book Publication") and F289b TOM PURDOM I Want the Stars (cover and interior illustration by Emsh ; 1964; listed as "Complete Novel")
F299 JOHN BRUNNER Endless Shadow (cover by Ed Valigursky and interior illustration by Jack Gaughan; listed as "Complete Novel") and F299b GARDNER FOX The Arsenal of Miracles (frontspiece illustration by Jack Gaughan; listed as "First Book Publication")