Cover by Evan Singer. Digest size. Includes "Brenda" by Margaret St. Clair.

Includes "The Museum Murders" by Maxwell Grant.

Includes "Merchants of Disaster" by Kenneth Robeson

Cover by Lee Brown Coye. Includes "The Watcher From The Sky" by August Derleth.

Cover by Earle K. Bergey. Includes "The Star Of Dread" by Brett Sterling.

Cover by Lee Brown Coye. Includes "Home To Mother" by Manly Wade Wellman.

Includes "Dodging Clouds In Mexico" by Major Bernard A. Law.

Only issue.

Cover by Margaret Brundage. Includes "Slave Of The Flames" by Robert Bloch.

Includes "Star Trail To Glory" by Edmond Hamilton.

Cover by Virgil Finlay. Includes "The Shuttered House" by August W. Derleth.

Cover by Virgil Finlay. Includes "Spotted Satan" by Otis A. Kline.

Features "Messenger of Death" by Maxwell Grant.

Cover by A. R. Tilburne. Includes "The Valley Of The Assassins" by Edmond Hamilton.

Includes "The Invincible Shiwan Khan" by Maxwell Grant.

Cover by F. Tinsley. Includes "Soaring And Gliding" by John Du Barry.

Includes "Guerilla Warrior" by Robert Carse.

"Scourge of the Sky Monster" by Robert J. Hogan.

Includes "The Ether Robots" by Frank Belknap Long

Final issue.

Includes "The Crocodile!" by Theodore Roscoe.

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

Cover by Margaret Brundage. Includes "The Inverness Cape" by August Derleth.

Includes "Border Patrol" by Lieut. P. S. Lyons.

Includes "Brothers Of The Gun" by Walt Coburn.

Features "Alibi Trail" by Maxwell Grant.

Includes "The Spider At Bay" by Grant Stockbridge.

Cover by Earle K. Bergey. Includes "The Dark World" by Henry Kuttner.

Cover by J. Allen St. John. Includes "Buccaneers Of Venus (Part 3)" by Otis Adelbert Kline.

Cover by Cartier. Includes "Lest Darkness Fall" by L. Sprague de Camp.

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

Includes "The Impossible World" by Eando Binder

Cover by William Timmins. Includes "Clash By Night" by Lawrence O'Donnell.

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

Cover by Margaret Brundage. Includes "The Shunned House" by H. P. Lovecraft.

Cover by Earle Bergey. Includes "Earthmen No More" by Edmond Hamilton.

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

Cover by Margaret Brundage. Includes "The Shadow On The Screen" by Henry Kuttner.

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

Features "Silver Mountain" by Steuart M. Emery.

Cover by Matt Fox. Includes "The Cheaters" by Robert Bloch.

Cover by Graves Gladney. Includes "The Ghoul" by L. Ron Hubbard.

Cover by Matt Fox. Includes "The Ormolu Clock" by August Derleth.

Final issue.

Cover by Margaret Brundage. Includes "Jewels Of Gwahlur" by Robert E. Howard.

Cover by Ed Emsh. Includes "Too Late For Eternity" by Bryce Walton.

Final issue.

Cover by F. Tinsley. Includes "The Purple Fez" by George L. Eaton.

Features "Suicide Trail" by Clifford Goodrich.

Includes "Northward Rails" by Frank Bunce.

Cover by Ed Emsh. Includes "The Naked Sky" by James E. Gunn.

Final issue.

Cover by Margaret Brundage. Includes "The Mandarin's Canaries" by Robert Bloch.

Dan Dunn Detective Magazine was an attempt to capitalize on the popularity of comic-strip characters by placing them in pulp stories. It lasted a mere two issues. Full length novel: "Death Before Midnight" by James M. Calvert, Jr.

Includes "Calling Captain Future" by Edmond Hamilton.

Cover by Margaret Brundage. Includes "The Avenger From Atlantis" by Edmond Hamilton.

"The Condor Rides With Death" by Robert J. Hogan.

Cover by Michael Labonski. Includes "One Foot And The Grave" by Theodore Sturgeon.

Features "Vengeance Bay" by Maxwell Grant.

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

Includes "The Northdale Mystery" by Maxwell Grant.

Cover by Margaret Brundage. Includes "Red Nails" by Robert E. Howard.

Includes "The Men Vanished" by Kenneth Robeson.

Includes "Option On Eldorado" by Frederick C. Davis.

Cover by William Timmins. Includes "The Weapon Makers" by A. E. van Vogt.

Includes "The Devil's Paymaster" by Maxwell Grant

Cover by Margaret Brundage. Includes "The Devil In Iron" by Robert E. Howard.

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

"Death to the Hawks of War" by Robert J. Hogan.

Includes "Give Me Ten Men" by Charles Marquis Warren.

"Raiders of the Death Patrol" by Robert J. Hogan.

"Bloody Wings for a Sky Hawk" by Robert J. Hogan.

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

Includes "The Spider And The Criminal Horde" by Grant Stockbridge.

Includes "Fear" by L. Ron Hubbard. First publication of this novel.

Features "Pirate Isle" by Kenneth Robeson.

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

Cover by Margaret Brundage. Includes "Shadows In Zamboula" by Robert E. Howard.

Includes "The Silver Witch" by John Peter Drummond.

Includes "The Mental Monster" by Kenneth Robeson.

Cover by F. Tinsley. Includes "Nests For Sea-Hawks" by Arch Whitehouse.

Features "The Temple of Crime" by Maxwell Grant.

Cover by Howard V. Brown. Includes feature novel "Blue Magic" by Charles Willard Diffin. Also "The Red Peri" by Stanley G. Weinbaum.

Cover by Jerome Rozen. Includes "The Masked Invasion" by Curtis Steele.

Includes "The Voice Of The Lobster" by Henry Kuttner.

Cover by Earle Kulp Bergey. Includes "Dragon's Island" by Jack Williamson.

Cover by Anderson. Includes "Sword Of Xota" by James Blish.

"The Death Divers" by Robert J. Hogan.

Cover by C.C. Serf. Includes "The Thing On The Roof" by Robert E. Howard.

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

Includes "Webbed Hands" by Ferdinand Berthoud.

Cover by John Howitt. Includes "Wings Of The Black Death" by Grant Stockbridge.

Cover by Lee Brown Coye. Includes "The Bogy Man Will Get You" by Robert Bloch.

Final issue.

Cover design by E.M. Stevenson. Includes "He" by H.P. Lovecraft.

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

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

Rare.

Cover by Matt Fox. Includes "City Of Lost People" by Allison V. Harding.