Vol. 13, N° 1 - janvier
Couverture de Robert Fuqua plus dessin original

Back cover de McCauley. Future Rocket Train

"I, Robot" [*Adam Link] • Eando Binder • ss
Interplanetary Graveyard • R. R. Winterbotham • 
Battle in the Dawn [*Hok] • Manly Wade Wellman
The Treasure on Asteroid X • Frederic Arnold Kummer, Jr. • ss
The Scientific Ghost [*John Hale] • Ed Earl Repp
Black Empress • John Russell Fearn • nv
Death in the Tubeway • Stanton A. Coblentz • ss

Wanted: 7 Fearless Engineers! • Warner Van Lorne • na
Mr. Craddock's Amazing Experience • William F. Temple • ss
Valley of Lost Souls • Eando Binder • nv
The Fountain of Youth Is Frozen • H. W. Jones • 
The Light That Kills • J. Harvey Haggard • 
The Phantom Enemy [by Raymond A. Palmer] • Morris J. Steele • nv
The World That Dissolved • Polton Cross • ss
Lost on the Sea Bottom • Ed Earl Repp • ss

Vol. 13, N° 3 - mars
Couverture de Rober Fuqua

Back cover de McCauley. Undersea Salvager

The Raid from Mars • Miles J. Breuer, M.D. • ss
Valley of Invisible Men • Edmond Hamilton • 
Marooned Off Vesta [*Brandon, Shea & Moore] • Isaac Asimov • ss
The Strange Flight of Richard Clayton • 
Robert Bloch 
Vengeance from the Void • Frederic Arnold Kummer, Jr. • ss
Trapped by Telepathy • Eando Binder • ss
The City that Walked • Ed Earl Repp • ss

Dessin de (?) illustrant "The Raid from Mars"

World Without Women • Thornton Ayre • 
A New Race of People • Morrison Colladay • ms
Madness on Luna • R. R. Winterbotham • 
The Invisible Invasion • Frederic Arnold Kummer, 
The Deadly Paint of Harley Gale • Ed Earl Repp • 
The Martian Avenger • Polton Cross • ss
The Flame from Nowhere • Eando Binder • ss
Revolution on Venus • Bradner Buckner • nv
A Modern "Lost World" • Morrison Colladay • ms

Vol. 13, N° 5 - mai
Couverture de Robert Fuqua

Back cover de William Juhre

Secret of the Buried City • John Russell Fearn 
Where Is Roger Davis? • David V. Reed • nv
The City of Oblivion • Bradner Buckner • nv
War with Jupiter • W. Lawrence Hamling & Mark Reinsberg • ss
The Curse of Montezuma [*John Hale] • Ed Earl Repp • ss
The Foreign Legion of Mars • Frederic Arnold Kummer, Jr. • ss
Finding 75 Mile Guns • William P. Schramm • ms
The Weapon Too Dreadful to Use • Isaac Asimov • ss

World Without Death • Polton Cross • nv
The Whistling Death • Abner J. Gelula • nv
The Deadly Slime • Frederic 
Arnold Kummer, Jr. • ss
Lundstret's Invention • Robert Moore Williams 
Microbes from Space • Thornton Ayre • ss
The Radio Man Returns • Ralph Milne Farley • ss
Brigade of the Damned • Ed Earl Repp • nv

Vol. 13, N° 7 - juillet
Couverture de Robert Fuqua

Back cover de Krupa "Space Devastator"

Secret of the Pyramid • Robert Moore Williams • 
The Trial of Adam Link, Robot [*Adam Link] • Eando Binder • ss
Pe-Ra, Daughter of the Sun • Ralph Milne Farley
When Time Stood Still • Edwin K. Sloat • nv
John Hale Convicts a Killer [*John Hale] • Ed Earl Repp • ss
The Pit of Death • Don Wilcox • nv
Wealth Free!—If You Can Get It • Morrison Colladay • ms

Vol. 13, N° 8 - aoϋt
Couverture de Robert Fuqua
Back cover de Frank R. Paul

Warriors of Mars • Arthur R. Tofte • nv
World Beneath Ice • Polton Cross • nv
The Man Who Walked Through Mirrors • 
Robert Bloch • ss
Short Years and Long • J. F. Turner • ms
Wives in Duplicate • Don Wilcox • ss
Mystery of the Collapsing Skyscrapers • Harl Vincent • nv
John Hale's Hollywood Mystery • Ed Earl Repp • ss
A Machine that Measures Your Emotions • Darrell Huff • ms

Vol. 13, N° 9 - septembre
Couverture de Robert Fuqua et back cover

Beast of the Island • Alexander M. Phillips • 
The Underground City • Bertrand L. Shurtleff • 
The Country Where Colonel Fawcett 
Disappeared • Morrison Colladay •
When the Moon Died [*Ray Lattimer] • Don Wilcox 
Face in the Sky • Thornton Ayre • nv
Rocket Race to Luna • Robert Moore Williams 
The Fate Changer • Richard O. Lewis • ss

Vol. 13, N° 10 - octobre
Couverture de Robert Fuqua

Back cover de Howard Duffin "Atomic Power Plant"

History in Reverse • Lee Laurence • pl
Cosmic Swing • Lyle D. Gunn •
Return of Satan • Robert Moore Williams • 
The Missing Year • Eando Binder • nv
The Ice Plague • Frederic Arnold Kummer, Jr. • 
Science Fiction Convention • Mark Reinsberg & Erle Korshak • ms
The Priestess Who Rebelled [*Meg] • Nelson S. Bond • nv
Judson's Annihilator ["Beyond the Screen"] • John Beynon • nv

Vol. 13, N° 11 - novembre
Couverture de McCauley

The 4-Sided Triangle • William F. Temple • nv
The Hidden Universe [Part 1 of 2] • Ralph Milne Farley • na
Whirlpool in Space [*Ebbtide Jones] • Miles Shelton • ss
Dictator of Peace • Don Wilcox • nv
Legion of the Dead • Frederic Arnold Kummer, Jr.
Missing: Millions in Radium • Robert Moore Williams • nv

Vol. 13, N° 12 - dιcembre
Couverture de Julian Krupa

Fugitives from Earth • Nelson S. Bond • nv
Ben Gleed, King of Speed [*Ben Gleed] • Don Wilcox • nv
Hok Goes to Atlantis [*Hok] • Manly Wade Wellman • nv
Gulpers versus Earthmen • Frances Garfield • ss
The Hidden Universe • Ralph Milne Farley • na
Liners of Space [by Raymond A. Palmer] • Henry Gade • ss