Includes "Invaders From The Outer Suns" by Frank Belknap Long, Jr.
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Includes "Tomorrow's Air Invasion" by Capt. Samuel Taylor Moore.
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Cover by A. R. Tilburne. Includes "The Tombstone" by Ray Bradbury.
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Includes "The Infinite Moment" by Henry Kuttner.
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"Wings of the Silent Death" by Robert J. Hogan.
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Includes "Traitress' Wages" by Lew Merrill.
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Includes "The Synthetic Men of Mars" by Edgar Rice Burroughs
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Features "Masters of Death" by Maxwell Grant.
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Cover by Jack Coggins. Includes "Asylum Earth" by Bruce Elliott.
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Includes "The Gods Hate Kansas" by Joseph J. Millard.
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"Sky-Guns for the Murder Master" by Robert J. Hogan.
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Cover by W. H. Silvey. Includes "The House In The Valley" by August Derleth.
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"The Damned Will Fly Again" by Robert J. Hogan.
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Final issue. Includes "Emeralds Of The Inca" by George Creel.
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Cover by John Howitt. Includes "America's Plague Battalions" by Curtis Steele.
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Includes "The Devil's Paymaster" by Maxwell Grant
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Includes "The Day Of The Conquerors" by Manly Wade Wellman.
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Includes "Make Mine Light" by Arch Whitehouse.
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Includes "The Mental Monster" by Kenneth Robeson.
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Only issue. Cover by Brundage. Includes "The Master Of Dragons" by H. Bedford Jones.
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Includes "Captain Future and the Seven Space-Stones" by Edmond Hamilton.
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Cover by W. H. Silvey. Includes "The Place In The Woods" by August Derleth. Digest size.
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Includes "Your Money's Worth In The Air" by Lieut. W. M. Wood.
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Cover by Herbert Morton Stoops. Includes "Swords Of Mars" by Edgar Rice Burroughs.
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Includes "The Bat Staffel" by Robert J. Hogan.
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Includes "The Shriveling Murders" by Zorro.
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Includes "The Day Of The Cloud" by Ross Rocklynne.
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Features "The Book of Death" by Maxwell Grant.
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Cover by Schneeman. Includes "Neutral Vessel" by Harl Vincent.
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Cover by Rogers. Includes "Nightfall" by Isaac Asimov.
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Includes "Fugitives Two" by Robert Carse.
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Includes "The Lost World Of Time" by Edmond Hamilton.
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Cover by Earle K. Bergey. Includes "Magic Moon" by Brett Sterling.
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Features "Alibi Trail" by Maxwell Grant.
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Includes "Dawn Of Flame" by Stanley G. Weinbaum.
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Cover by John Howitt. Includes "Rockets From Hell" by Curtis Steele.
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Cover by Emery Clarke. Includes "The Angry Ghost" by Kenneth Robeson.
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Cover by Jack Coggins. Includes "The Amateur Alchemist" by Murray Leinster.
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Includes "Solomon's Stone" by L. Sprague de Camp.
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Includes "Test Pilot Test" by Tracy Richardson.
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"The Black Buzzard Flies to Hell" by Robert J. Hogan.
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Includes "The Northdale Mystery" by Maxwell Grant.
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Cover by Margaret Brundage. Includes "The Shambler From The Stars" by Robert Bloch.
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Includes "Air Cops In The Land Of The Shiek" by Edward Daly.
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Cover by John Howitt. Includes "The Wheel Of Death" by R. T. M. Scott.
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Cover by Ed Emsh. Includes "An Apple For The Teacher" by Robert F. Young.
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Full length novel: "Fight Or Die" by James M. Calvert, Jr.
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Includes "Spank Magic" by Reggie Coghlan.
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Includes "Winged Warriors" by Lieut. Scott Morgan
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Cover design C. Barker Petrie. Includes "The Cats Of Ulthar" by H.P. Lovecraft.
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"Wings of the Gray Phantom" by Robert J. Hogan.
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Includes "The Time Machine" by H. G. Wells. Cover by Anderson.
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Includes "The Seven Sleepers" by Henry Kuttner & A.. Barnes.
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Cover by Rogers. Includes "Salvage" by Vic Phillips
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Cover by Earle K. Bergey. Includes "The Hollow World" by Frank Belknap Long.
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Cover by Earle Bergey. Includes "The Seed From Space" by Fletcher Pratt.
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Includes "The Ring Of Death" by George L. Eaton.
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Small digest size format.
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"Flying Coffins of the Damned" by Robert J. Hogan.
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Continuing from AIR ACTION.
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Cover by John Howitt. Includes "The League Of War Monsters" by Curtis Steele.
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Cover by Walter Baumhofer. Includes "The Spider Strikes" by R. T. M. Scott.
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"The Spook Legion" by Kenneth Robeson.
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Includes "King Of Fang And Claw" by Bob Byrd. First appearance of a Tarzan-like character named Ka-Zar. Cover painting by J. W. Scott.
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Cover by Rudolph Belarski. Includes "O'Leary's Byno-Blaster" by Arthur Guy Empy.
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Includes "Merchants of Disaster" by Kenneth Robeson
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"The Pirate's Ghost" by Kenneth Robeson.
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Cover by John Howitt. Includes "Cavern Of The Damned" by Curtis Steele.
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Cover by F. Tinsley. Includes "The Lancer Strikes" by George L. Eaton.
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Includes "Tarzan And The Golden Lion" by Edgar Rice Burroughs.
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Cover by Jon Arfstrom. Digest size.
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Includes "Death's Masquerade" by Maxwell Grant.
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"The Mystery of the Golden Skull" by Donald E. Keyhoe.
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Includes "The Quest Of Tarzan" by Edgar Rice Burroughs.
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Includes "Calling Captain Future" by Edmond Hamilton.
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"The Bloody Wings of the Vampire" by Robert J. Hogan.
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Cover by Modest Stein. Features "Overthrow" by Cleve Cartmill.
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Includes "To Heaven Standing Up" by Paul Ernst.
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