Includes "Heredity" by Isaac Asimov.
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Cover design by C.C. Serf. Includes "The Hyena" by Robert E. Howard.
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Includes "Hell Below" by Kenneth Robeson.
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Includes "Twice In Time" by Manly Wade Wellman.
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Cover by Margaret Brundage. Includes "Shadows In The Moonlight" by Robert E. Howard.
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Cover by Margaret Brundage. Includes "The Black Gargoyle" by Hugh B. Cave.
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Cover by F. Tinsley. Includes "The Purple Fez" by George L. Eaton.
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Features "The Temple of Crime" by Maxwell Grant.
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Cover by Jon Arfstrom. Includes "Hell's Bells" by Duncan H. Munro.
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Cover by Earle K. Bergey. Includes "What Mad Universe" by Fredric Brown (first published appearance of this novel).
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Cover by John Giunta. Includes "The Perfect Host" by Theodore Sturgeon.
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Cover by John Howitt. Includes "Invasion Of The Crimson Death Cult" by Curtis Steele.
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Includes "The Magician Of Mars" by Edmond Hamilton.
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Features "The Terrible Stork" by Kenneth Robeson.
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Cover by F. Tinsley. Includes "The Blood-Red Road To Petra" by George L. Eaton.
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Cover by Earle Bergey. Includes "Absalom" by Henry Kuttner.
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Cover by John Howitt. Includes "The Red Death" by Grant Stockbridge.
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Cover by Margaret Brundage. Includes "The Black Kiss" by Robert Bloch & Henry Kuttner.
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Features "The Devil's Black Rock" by Kenneth Robeson.
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Includes "The Hornet And The Vulture" by Samuel Merwin.
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Cover by Virgil Finlay. Includes "Spawn Of The Maelstrom" by August Derleth & Mark Schorer.
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Includes "Murder Over Hollywood" by George L. Eaton.
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Cover by John Howitt. Includes "Prince Of The Red Looters" by Grant Stockbridge.
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"Horde of the Black Eagle" by Robert J. Hogan.
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Includes "The Power And The Glory" by Henry Kuttner.
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Includes "The Telepathic Tomb" by Frederic Arnold Kummer, Jr.
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Cover by Henry Stahlhart. Includes "The Riddle Of Flying Aptitude" by Lieut. W. M. Wood.
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Includes "The Day Of The Damned" by Curtis Steele.
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Features "Bequest of Evil" by Kenneth Robeson.
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Cover by John Howitt. Includes "Citadel Of Hell" by Grant Stockbridge.
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Includes "Large Flying Boats VS. Large Land Planes" by Igor I. Sikorsky.
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Cover by Rudolph W. Zirm. Includes "By Night They Creep" by Ray Cummings.
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Features "The Running Skeletons" by Kenneth Robeson.
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Includes "Fear" by L. Ron Hubbard. First publication of this novel.
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Includes "Farewell To Balloon Racing" by Samuel Taylor Moore.
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Features "Men of Fear" by Kenneth Robeson.
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Cover by Rudolph Belarski. Includes Black Bat story "Death For Charity" by G. Wayman Jones.
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Cover by F. Tinsley. Includes "The White Pygmy" by George L. Eaton.
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Includes "The Shadow Over Innsmouth" by H. P. Lovecraft.
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Includes "Dodging Clouds In Mexico" by Major Bernard A. Law.
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Includes "Purple Aces" by Robert J. Hogan.
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"Aces of the Damned" by Robert J. Hogan.
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Includes "The Book Of Ptath" by A. E. van Vogt.
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Includes "The Bat Staffel" by Robert J. Hogan.
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Features "The Rustling Death" by Kenneth Robeson.
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Final issue. Cover by H.W. Wesso. Includes "The Cairn On The Headland" by Robert E. Howard.
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Includes "The Quest Of Tarzan" by Edgar Rice Burroughs.
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"Wings of the Hawks of Death" by Robert J. Hogan.
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Includes "The Other World" by Murray Leinster.
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Cover by Graves Gladney. Includes "Cloak Of Aesir" by Don A Stuart.
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Cover by Earle K. Bergey. Includes "Tarnished Utopia" by Malcolm Jameson.
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Includes "The Ring Of Death" by George L. Eaton.
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Includes "Wet Magic" by Henry Kuttner.
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Cover by Graves Gladney. Includes "The Ghoul" by L. Ron Hubbard.
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Includes "Planet Of The Small Men" by Murray Leinster.
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"Death to the Hawks of War" by Robert J. Hogan.
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Cover by Matt Fox. Includes "The Place With Many Windows" by Allison V. Harding.
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Cover by Earle Bergey. Includes "Tough Old Man" by L. Ron Hubbard.
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Includes "Man Alive!" by Frederick C. Painton.
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Cover by Earle K. Bergey. Includes "The Lovers" by Philip Jose Farmer.
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Cover by Margaret Brundage. Includes "The Suicide In The Study" by Robert Bloch.
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Includes "Guerilla Warrior" by Robert Carse.
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Cover by Modest Stein. Features "Overthrow" by Cleve Cartmill.
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Cover by John Howitt. Includes "War-Dogs Of The Green Destroyer" by Curtis Steele.
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Cover by Earle K. Bergey. Includes "A Million Years To Conquer" by Henry Kuttner.
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Cover by Rudolph Belarski. Includes "O'Leary's Byno-Blaster" by Arthur Guy Empy.
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"The Damned Will Fly Again" by Robert J. Hogan.
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"Three Fly With Satan" by Robert J. Hogan.
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Features "Messenger of Death" by Maxwell Grant.
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Cover by H. W. Brown. Features "Voyage 13" by Ray Cummings and includes "The Dangerous Dimension" by L. Ron Hubbard.
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"Red Fangs of the Sky Emperor" by Robert J. Hogan.
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Death Had Yellow Eyes, digest size.
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Includes "The Northdale Mystery" by Maxwell Grant.
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"Flight of the Death Battalion" by Robert J. Hogan.
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Cover by Ed Valigursky. Includes "The Snows Of Ganymede" by Poul Anderson.
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"Death Rides the Midnight Patrol" by Robert J. Hogan.
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