Cover by Margaret Brundage. Includes "The Shunned House" by H. P. Lovecraft.
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"Here Flies the Hawk of Hell" by Robert J. Hogan.
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"The Men Who Smiled No More" by Kenneth Robeson.
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Includes "The Case Of The Friendly Corpse" by L. Ron Hubbard.
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Includes "The Infinite Moment" by Henry Kuttner.
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Cover by John Howitt. Includes "Rockets From Hell" by Curtis Steele.
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"Horde of the Black Eagle" by Robert J. Hogan.
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Cover by Margaret Brundage. Includes "Death Holds The Past" by August Derleth & Mark Schorer.
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"The Monsters" by Kenneth Robeson.
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Continuing from AIR ACTION.
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Includes "Killer, What's Your Name?" by Frederick C. Davis.
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Two alternate covers are known to exist.
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Cover by Virgil Finlay. Includes "The Shuttered House" by August W. Derleth.
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Cover by Belarski. Includes "The Ringer" by Charles Rice McDowell.
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Features "Vengeance Bay" by Maxwell Grant.
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Cover by John Howitt. Includes "Master Of The Death Madness" by Grant Stockbridge.
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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 F. Tinsley. Includes "Death Rides The Sky" by George L. Eaton.
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Cover by Pete Kuhlhoff. Includes "Enoch" by Robert Bloch.
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Includes "The Invincible Shiwan Khan" by Maxwell Grant.
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Cover by Schneeman. Includes "Neutral Vessel" by Harl Vincent.
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"White Wings for the Dead" by Robert J. Hogan.
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"Hordes of the Wingless Death" by Robert J. Hogan.
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"Scourge of the Sky Monster" by Robert J. Hogan.
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Includes "Time Column" by Malcolm Jameson.
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Includes "Your Money's Worth In The Air" by Lieut. W. M. Wood.
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Includes "Mystery On Happy Bones" by Kenneth Robeson.
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Includes "The Jumper" by Theodore Sturgeon.
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Cover by John Howitt. Includes "The Yellow Scourge" by Curtis Steele.
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Cover by Edd Cartier. Includes "All Is Illusion" by Henry Kuttner.
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Cover by John Howitt. Includes "Citadel Of Hell" by Grant Stockbridge.
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Includes "Tomb for the Living" by Justin Case.
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Cover by Charles L. Wrenn. Includes "Mate For A Monster" by Hugh B. Cave.
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Cover by Modest Stein. Features "Overthrow" by Cleve Cartmill.
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Cover by Rogers. Includes "Final Blackout" Part 2 by L. Ron Hubbard.
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Cover by F. Tinsley. Includes "Hawks Of The North" by George L. Eaton.
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Cover by Rogers. Includes "Second Stage Lensmen" part 2 by E. E. Smith, Ph.D.
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"Death to the Hawks of War" by Robert J. Hogan.
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Includes "The Devil Makes The Law!" by Robert Heinlein.
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Cover by Rudolph Belarski. Includes "The Water World" by Oscar J. Friend.
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Includes "The Room" by L. Ron Hubbard.
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Cover by John Howitt. Includes "Master Of Broken Men" by Curtis Steele.
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Includes "He Didn't Like Cats" by L. Ron Hubbard.
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Includes "Chains Of The Living Dead" by Arthur Leo Zagat.
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Cover by Margaret Brundage. Includes "The Graveyard Rats" by Henry Kuttner.
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Cover by John Howitt. Includes "Drums Of Destruction" by Curtis Steele.
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Final issue. Cover by Virgil Finlay. Includes "De Brignac's Lady" by Kirk Washburn. Digest size.
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Includes "Fugitives Two" by Robert Carse.
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Title changes to CAPTAIN SATAN with Vol. 1 #3. Includes "The Corpse With The Third Eye" by Paul Ernst.
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Cover by Lee Brown Coye. Includes "Notebook Found In A Deserted House" by Robert Bloch.
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Cover design C. Barker Petrie. Includes "The Cats Of Ulthar" by H.P. Lovecraft.
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Includes "Farewell To Balloon Racing" by Samuel Taylor Moore.
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Features "The Pink Lady" 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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Final issue. "The Mystery of the Singing Mummies" by Donald E. Keyhoe.
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Cover by John Howitt. Includes "The Invisible Empire" by Curtis Steele.
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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 Haunt" by Theodore Sturgeon.
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Cover by Boris Dolgov. Includes "Serpent Princess" by Edmond Hamilton.
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Cover by W. H. Silvey. Includes "The House In The Valley" by August Derleth.
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"Bloody Wings for a Sky Hawk" by Robert J. Hogan.
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Includes "Calling Captain Future" by Edmond Hamilton.
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Cover by Graves Gladney. Includes "The Ghoul" by L. Ron Hubbard.
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Includes "Assignment In Guana" by George Harmon Coxe.
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Cover by Rudolph Belarski. Includes Black Bat story "Death For Charity" by G. Wayman Jones.
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Includes "The Quest of Qui" by Kenneth Robeson.
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Includes "The Lonely Planet" by Murray Leinster.
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Cover by Earle K. Bergey. Includes "The Hollow World" by Frank Belknap Long.
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Includes "Master Of The Night-Demons" by Grant Stockbridge.
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Includes "The Dawn-Seekers" by Frederick C. Painton.
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Cover by John Howitt. Includes "The Melting Death" by Curtis Steele.
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Cover by Virgil Finlay. Includes "Spawn Of Dagon" by Henry Kuttner.
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Cover by John Howitt. Includes "Invasion Of The Dark Legions" by Curtis Steele.
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Cover by E. Franklin Wittmack. Includes "Yours Truly...Jack The Ripper" by Robert Bloch.
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Includes "The Magician Of Mars" by Edmond Hamilton.
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Includes "Planets In Peril" by Edmond Hamilton.
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