Cover by Virgil Finlay. Includes "The Return Of Hastur" by August W. Derleth.
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Includes "The Ring Of Death" by George L. Eaton.
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Cover by Virgil Finlay. Includes "The Drifting Snow" by August Derleth.
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Includes "Pennies From Chaos" by Frederick C. Davis.
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Includes "Planets In Peril" by Edmond Hamilton.
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Cover by Pete Kuhlhoff. Includes "The Skull Of The Marquis De Sade" by Robert Bloch.
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Cover by Lee Brown Coye. Includes "The Whippoorwills In The Hills" by August Derleth.
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Includes "The Gods Hate Kansas" by Joseph J. Millard.
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Includes "Tomb for the Living" by Justin Case.
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Includes "The Scarlet Widow" by Hugh B. Cave.
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Cover by M. Isip. Includes "The Roaring Trumpet" by L. Sprague de Camp & Fletcher Pratt.
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Includes "The Haunt" by Theodore Sturgeon.
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Cover by E. Franklin Wittmack. Includes "Under Your Spell" by Henry Kuttner.
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Includes "The Sky Walker" by Kenneth Robeson.
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Cover by John Howitt. Includes "Rockets From Hell" by Curtis Steele.
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Cover by Rogers. Includes "Time Wants A Skeleton" by Ross Rocklynne.
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Cover by A. R. Tilburne. Includes "The Eager Dragon" by Robert Bloch.
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Features "Garden of Death" by Maxwell Grant.
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Includes "Master of the Walking Dead" by Joseph J. Millard
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"Squadron of the Flying Death" by Robert J. Hogan.
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Cover by Margaret Brundage. Includes "The Hour Of The Dragon" by Robert E. Howard.
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Cover by Belarski. Includes "All Survivors Report" by Georges Surdez.
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Cover by Rudolph Belarski. Includes "The Water World" by Oscar J. Friend.
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"Wings of the Black Terror" by Robert J. Hogan.
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Cover art by Emery Clarke. Includes "The Spotted Men" by Kenneth Robeson.
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Includes "Miracle Of The Golden Princess" by HBedford-Jones.
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Includes "Tidal Moon" by Stanley G. & Helen Weinbaum.
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Includes "Dawn Of Flame" by Stanley G. Weinbaum.
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"Wings of the Silent Death" by Robert J. Hogan.
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Cover by Matt Fox. Includes "The Night" by Ray Bradbury.
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Cover by Rogers. Includes "Grey Lensman" part one of four by E. E. Smith, Ph.D.
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Features "Suicide Trail" by Clifford Goodrich.
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Cover by Ed Valigursky. Includes "The Snows Of Ganymede" by Poul Anderson.
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Cover by Boris Dolgov. Includes "Mr. George" by August Derleth.
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Cover by John Howitt. Includes "The Flame Master" by Grant Stockbridge.
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Includes " Voice Of Death" by Maxwell Grant.
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Includes "The Dark Tower" by Wallace West.
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Includes "Option On Eldorado" by Frederick C. Davis.
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"Sky Coffins for Satan" by Robert J. Hogan.
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Includes "The Suicide Battalion" by Curtis Steele.
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Cover by Margaret Brundage. Includes "The Avenger From Atlantis" by Edmond Hamilton.
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Includes "The Yellow Cloud" by Kenneth Robeson.
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Final issue as Captain Satan; continues as Strange Detective Mysteries.
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Includes "We Bomb Tokyo!" by Jay Hamilton.
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Includes "Farewell To Balloon Racing" by Samuel Taylor Moore.
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Cover by Alex Schomburg. Includes "Death Of Iron" by S. S. Held.
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Includes "The Northdale Mystery" by Maxwell Grant.
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"Wings of the Death Monster" by Robert J. Hogan.
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"Here Flies the Hawk of Hell" by Robert J. Hogan.
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"The Death Divers" by Robert J. Hogan.
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Cover by Margaret Brundage. Includes "The Feast In The Abbey" by Robert Bloch.
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Cover by John Howitt. Includes "Builders Of The Dark Empire" by Grant Stockbridge.
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Cover by Earle K. Bergey. Includes "Other Eyes Watching" by Polton Cross.
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Cover by John Hewitt. Includes "The Red Invader" by Curtis Steele.
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Includes "Mystery On Happy Bones" by Kenneth Robeson.
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Includes "Tarzan And The Golden Lion" by Edgar Rice Burroughs.
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Features "Murder Lake" by Maxwell Grant.
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Two alternate covers are known to exist.
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Includes "The Perilous Pearl" by H. Bedford-Jones.
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Includes "The Invincible Shiwan Khan" by Maxwell Grant.
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Cover by Joseph Eberle. Includes "The Horror At Red Hook" by H. P. Lovecraft.
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Includes "Typewriters In The Sky Part 2" by L. Ron Hubbard.
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Includes "The Spider And The Raceless One" by Grant Stockbridge.
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Cover by Earle K. Bergey. Includes "The Great Ego" by Norman A. Daniels.
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Cover by J. Allen St. John. Includes "The Haunter Of The Dark" by H. P. Lovecraft.
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Includes "The Bridge To Earth" by Robert Moore Williams.
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Features "Pirate Isle" by Kenneth Robeson.
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Cover by John Howitt. Includes "Invasion of The Yellow Warlords" by Curtis Steele.
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Cover by F. Tinsley. Includes "Aviation Cades And The U. S. Fleet" by John R. Hoyt.
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Cover by Rogers. Includes "Slan" part 1 by A. E. van Vogt.
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Includes "The Devil's Rescue" by L. Ron Hubbard.
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Cover by John Howitt. Includes "The Green Death Mists" by Curtis Steele.
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"The Condor Rides With Death" by Robert J. Hogan.
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Summer issue. Includes "The Whispering Eyes".
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Cover by Ronald Clyne. Includes "The Smiling People" by Ray Bradbury.
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Cover by F. Tinsley. Includes "The White Pygmy" by George L. Eaton.
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