Only issue.

Cover by Earle K. Bergey. Includes "The Visitor" by Ray Bradbury.

"Red Fangs of the Sky Emperor" by Robert J. Hogan.

Includes "Tidal Moon" by Stanley G. & Helen Weinbaum.

Cover by Walter Popp. Includes "The Conditioned Captain" by Fletcher Pratt.

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

Includes "Gunsmoke For Sale" by Laurence Donovan.

Includes "The Crimson Serpent" by Kenneth Robeson.

"Five Fathoms Dead" by Kenneth Robeson.

Only issue. Cover by Joseph Chenoweth. Includes "Gods Guard The Brave" by H. Bedford Jones.

Includes "Run, Tiger!" by Donald Barr Chidsey.

Includes "The Suicide Battalion" by Curtis Steele.

Cover by John Howitt. Includes "America's Plague Battalions" by Curtis Steele.

Includes "Star Trail To Glory" by Edmond Hamilton.

Cover by Ed Valigursky. Includes "The Snows Of Ganymede" by Poul Anderson.

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

Cover by Matt Fox. Includes "The Underbody" by Allison V. Harding.

The early issues were published in the format of Macfadden's "true story" magazines. To add versimilitude, the magazine was illustrated with double-exposure photographs and the stories often carried double bylines in the form "by X as told to Y," where X

"Three Fly With Satan" by Robert J. Hogan.

"The Falcon Flies with the Damned" by Robert J. Hogan.

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

Includes "My Bewitched Lover" by Ken Batten.

Cover by J. Allen St. John. Includes "Bucaneers Of Venus (Part 1)" by Otis Adelbert Kline.

Includes "Brothers Of The Gun" by Walt Coburn.

"The Whisker of Hercules" by Kenneth Robeson.

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

"Death Rides the Midnight Patrol" by Robert J. Hogan.

Includes "The Impossible World" by Eando Binder

Includes a 16-page color comics section.

Includes "The Space Beasts" by Clifford D. Simak.

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

Final issue.

Includes "Three Guns For Tonto" by W. C. Tuttle.

Cover by Earle K. Bergey. Includes "Red Sun Of Danger" by Brett Sterling.

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

"Flight of the Death Battalion" by Robert J. Hogan.

Includes "Swooning Lady" by Kenneth Robeson.

Cover by Alex Schomburg. Includes "The White Widows" by Sam Merwin, Jr.

Includes "Mystery On Happy Bones" by Kenneth Robeson.

"The Squadron of Death Flies High" by Robert J. Hogan.

Cover by Rogers. Includes "The Stars Look Down" by Lester del Rey.

Includes "Power For Zenovia" by Willard E. Hawkins.

Cover by William Timmins. Includes "Hunch" by Clifford D. Simak.

Includes "The Magician Of Mars" by Edmond Hamilton.

Includes "Passport To Jupiter" by Raymond Z. Gallun.

Features "Dead Man's Chest" by Maxwell Grant.

Cover by John Howitt. Includes "Reign Of The Silver Terror" by Grant Stockbridge.

Cover by Earle Bergey. Includes "The Lake Of The Gone Forever" by Leigh Brackett.

Cover by Emsh. Includes "Cholwell's Chickens" by Jack Vance.

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

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

Cover by Margaret Brundage. Includes "The Man Who Was Two Men" by A. W. Bernal.

Cover by John Giunta. Includes "The Trail Of Cthulhu" by August Derleth.

Includes "Always Comes Evening" by R.E. Howard.

Cover by Rogers. Includes "Forces Must Balance!" by Manly Wade Wellman.

Cover by Alex Schomburg. Includes "Passport To Pax" by Kendell Foster Crossen.

Cover by Lee Brown Coye. Includes "Rapport" by Mary Elizabeth Counselman.

Features "Bequest of Evil" by Kenneth Robeson.

Includes "The Pure Evil" by Kenneth Robeson.

Features "Peril in the North" by Kenneth Robeson.

Continuing from THE ARGOSY.

"Patrol of the Sky Vulture" by Robert J. Hogan.

Final issue.

Cover by Margaret Brundage. Includes "Thunder In The Dawn" by Henry Kuttner.

The Girl From Penang by E. Hoffmann Price

Includes "The Army Without A Country" by Curtis Steele.

Cover by C.C. Serf. Includes "The Whisper In The Darkness" by H.P. Lovecraft.

Includes "The Glory That Was" by L. Sprague de Camp.

Final issue.

Cover by Rogers. Includes "Final Blackout" Part 1 by L. Ron Hubbard.

Cover by William Timmins. Includes "The World Is Mine" by Lewis Padgett.

"Death Rides the Lost Patrol" by Robert J. Hogan.

Includes "No Greater Love" by Henry Kuttner.

Cover by Edd Cartier. Includes "All Is Illusion" by Henry Kuttner.

Includes "A God In A Garden" by Theodore Sturgeon.

Includes "The Day Of The Conquerors" by Manly Wade Wellman.

Cover by Rudolph W. Zirm. Includes "By Night They Creep" by Ray Cummings.

Includes "The Crocodile!" by Theodore Roscoe.

Includes "Sands Of Sahara" by Robert Carse.