Cover by Margaret Brundage. Includes "Beyond The Phoenix" by Henry Kuttner.

"Red Skies for the Squadron of Satan" by Robert J. Hogan.

Includes "The Nightmare Town" by Dashiell Hammett.

"The Mark of the Vultures" by Robert J. Hogan.

"Wings of the Iron Claws" by Robert J. Hogan.

Cover by Harold S. DeLay. Includes "In The Walls Of Eryx" by Kenneth Sterling & H. P. Lovecraft.

Cover by J. Allen St. John. Includes "The Haunter Of The Dark" by H. P. Lovecraft.

"Bombs from the Murder Wolves" by Robert J. Hogan.

Cover by Earle K. Bergey. Includes "Aftermath" by John Russell Fearn.

Includes "The Bride Of Osiris (Part 1)" by Otis Adelbert Kline.

Includes "Calling Captain Future" by Edmond Hamilton.

Cover by Earle K. Bergey. Includes "The Lovers" by Philip Jose Farmer. Featuring George Chance, a stage magician turned hero, The Ghost, Super-Detective (as it was originally called) was a low-budget effort from the start, featuring only the lead novel

Cover by Henry Stahlhart. Includes "The Riddle Of Flying Aptitude" by Lieut. W. M. Wood.

Features "The Rustling Death" by Kenneth Robeson.

Only issue. Cover by Brundage. Includes "The Master Of Dragons" by H. Bedford Jones.

Includes "Master of the Walking Dead" by Joseph J. Millard

Cover by J. Allen St. John. Includes "Buccaneers Of Venus (Part 2)" by Otis Adelbert Kline.

Final issue. Cover by H.W. Wesso. Includes "The Cairn On The Headland" by Robert E. Howard.

"The Land of Terror" by Kenneth Robeson.

Includes "Large Flying Boats VS. Large Land Planes" by Igor I. Sikorsky.

Cover by Emsh. Includes "Name Your Pleasure" by James E. Gunn.

Cover by Charles L. Wrenn. Includes "Mate For A Monster" by Hugh B. Cave.

Cover by John Howitt. Includes "Drums Of Destruction" by Curtis Steele.

Features "The Book of Death" by Maxwell Grant.

Includes "The Lonely Planet" by Murray Leinster.

Cover by Alex Schomburg. Includes "Death Of Iron" by S. S. Held.

Features "Vengeance Bay" by Maxwell Grant.

Cover by Margaret Brundage. Includes "The Suicide In The Study" by Robert Bloch.

Cover by Alex Schomburg. Includes "Double Meaning" by Damon Knight.

Cover by Margaret Brundage. Includes "The Grinning Ghoul" by Robert Bloch.

Cover by Margaret Brundage. Includes "Iron Mask" by Robert Bloch.

"White Wings for the Dead" by Robert J. Hogan.

"Sky Coffins for Satan" by Robert J. Hogan.

Cover by Margaret Brundage. Includes "The Hour Of The Dragon" by Robert E. Howard.

"Wings of the Silent Death" by Robert J. Hogan.

Features "The Magic Forest" by Kenneth Robeson.

Rare.

Cover by Margaret Brundage. Includes "The Wand Of Doom" by Jack Williamson.

Includes "Captain Future and the Seven Space-Stones" by Edmond Hamilton.

Cover by Matt Fox. Includes "The Place With Many Windows" by Allison V. Harding.

Cover by A. R. Tilburne. Includes "Bang! You're Dead" by Ray Bradbury.

Cover by Margaret Brundage. Includes "The Metronome" by August W. Derleth.

Cover by W. H. Silvey. Includes "The Place In The Woods" by August Derleth. Digest size.

Cover by Brundage. Includes "The People Of The Black Circle (part 2) by Robert E. Howard, This is an early Conan story.

Includes "The Other World" by Murray Leinster.

Cover by Rudolph Belarski. Includes "The Bottom Of The World" by John Coleman Burroughs & Hulbert Burroughs.

Features "They Died Twice" by Kenneth Robeson.

Cover by Belarski. Includes "All Survivors Report" by Georges Surdez.

Cover by Walter Popp. Includes "The Wages Of Synergy" by Theodore Sturgeon.

Cover by H. V. Brown. Includes "Giants From Eternity" by Manly Wade Wellman.

Cover by Rudolph Belarski. Includes "The Water World" by Oscar J. Friend.

Includes "Code Of The Sky" by Major George F. Eliot.

Includes "The Sign Of Zorro" by Johnston McCulley.

Features "Suicide Trail" by Clifford Goodrich.

Includes "Planets In Peril" by Edmond Hamilton.

Continued from WONDER STORIES. Includes "Blood of the Moon" by Ray Cummings.

Cover by Margaret Brundage. Includes "Wild Grapes" by A. W. Derleth.

Cover by A. R. Tilburne. Includes "Black Barter" by Robert Bloch.

Includes "Dream-Dust From Mars" by Manly Wade Wellman

Cover by F. Tinsley. Includes "The Lancer Strikes" by George L. Eaton.

Includes "Journey To Barkut" by Murray Leinster.

Includes "Farewell To Balloon Racing" by Samuel Taylor Moore.

Final issue.

Includes "The Deadly Swarm" by Edwin K. Sloat.

Includes "The Spider And The Pain Master" by Grant Stockbridge.

"Cargo Unknown" by Kenneth Robeson.

Cover by John Howitt. Includes "Hosts Of The Flaming Death" by Curtis Steele.

Cover by Harold S. DeLay. Includes "The Dark Isle" by Robert Bloch.

Includes "Black Fire" by Walt Coburn.

Cover by C.C. Serf. Includes "Black Chant Imperial" by Robert E. Howard.

Includes "The Shadow Men" by A. E. Van Vogt.

Cover by John Howitt. Includes "Patriot's Death Battalion" by Curtis Steele.

Includes "Purpose" by Ray Bradbury. Cover by Earle Bergey.

Includes "Master Of The Night-Demons" by Grant Stockbridge.

Cover by Virgil Finlay. Includes "The Eyes Of The Mummy" by Robert Bloch.

Cover by E. Franklin Wittmack. Includes "Yours Truly...Jack The Ripper" by Robert Bloch.

Cover by Harold S. DeLay. Includes "Dragon Moon" by Henry Kuttner.

Includes "Solomon's Stone" by L. Sprague de Camp.

Cover by Ray Quigley. Includes "Masquerade" by Henry Kuttner.

Includes "The Quest Of Tarzan" by Edgar Rice Burroughs.

Cover by A. R. Tilburne. Includes "The Tombstone" by Ray Bradbury.

Includes "Laboratory Of The Damned" by Grant Stockbridge.

Two alternate covers are known to exist.