VOL. 18, N� 1 - janvier 1944
Couverture de Robert Fuqua

The Mad Robot � William P. McGivern � na
Intruders from the Stars � Ross Rocklynne � na
Phantom City of Luna [by William P. McGivern] � P. F. Costello � nv
Master of the Living Dead � Ed Earl Repp � nv
Island of Eternal Storm � Berkeley Livingston � nv
The Needle Points to Death [by William P. McGivern] � Gerald Vance � ss

VOL. 18, N� 2 - mars 1944
Couverture de J. Allen StJohn plus dessin original

The Superman � Capt. Meyer Friedenson � ss
It's a Small World � Robert Bloch � na
Magnetic Miss Meteor � Don Wilcox � nv
Crossed Wires � Leroy Yerxa � nv
Battle Before Dawn � Robert Moore Williams � ss
Thompson's Time-Traveling Theory � Mort Weisinger � ss
Journey in Time to Cleopatra � Helmar Lewis � nv
Spawn of Jupiter � Ed Earl Repp � nv
Cokie Goes Treasure Hunting � Berkeley Livingston � ss

VOL. 18, N� 3 - mai 1944
Couverture de Malcolm Smith

Murder in Space � David V. Reed � n.
I, Rocket � Ray Bradbury � ss
The Free-Lance of Space � Edmond Hamilton � ss
The Headless Horror � Helmar Lewis � nv
Midas Morgan's Golden Touch � Emil Petaja � ss
The Constant Drip � Berkeley Livingston � nv

VOL. 18, N� 4 - septembre 1944
Couverture de Julian S. Krupa

Star Base X � Robert Moore Williams � nv
The Thinking Cap � William P. McGivern � nv
Private Prune Speaking � David Wright O'Brien � n
Professor Thorndyke's Mistake [by William P. McGivern] � P. F. Costello � ss
Dolls of Death � E. K. Jarvis � nv
Weapon for a WAC [by Raymond A. Palmer] � Morris J. Steele � ss
Double-Cross on Mars [by William P. McGivern] � Gerald Vance � nv
Warburton's Invention � Russell Storm � nv
Overlord of Venus � William Lawrence Hamling � ss
Matches and Kings � John York Cabot � ss
I'll See You Again � Duncan Farnsworth � ss

VOL. 18, N� 5 - d�cembre 1944
Couverture de James B. Settles

Undersea Guardians � Ray Bradbury � ss
The Man Who Hated War � Emil Petaja � ss
War Criminals of Renault Island � C. A. Baldwin �
The Map of Fate � Donald Bern � ss
A Most Ingenious Paradox � George Tashman �
The Life Machine � Lester Barclay � nv
Invasion Dust � Don Wilcox � ss
The Odyssey of Battling Bert � Stanton A. Coblentz � ss
The Whips of Doom � Helmar Lewis � ss
Truk Island � Berkeley Livingston � na

VOL. 19, N� 1 - mars 1945
Couverture de Robert Gibson Jones

"I Remember Lemuria!" [*Mutan Mion] � Richard S. Shaver � na
The Martian's Masterpiece � Morris J. Steele � ss
Moon of Double Trouble [by Raymond A. Palmer] � A. R. Steber � nv
Is This the Night? [by Leroy Yerxa] � Alexander Blade � ss
Comet from Yesterday [by Leroy Yerxa] � Lee Francis � nv
The Lying Lie Detector � Leroy Yerxa � ss
Valley of Delirium � Richard Casey � nv
Twirl My Turbine, Man Alive! � Omar Geer � ss
Dr. MacDonough's Encephalosemanticommunicator � Leo A. Schmidt � ss

VOL. 19, N� 2 - juin 1945
Couverture de Robert Gibson Jones

Thought Records of Lemuria � Richard S. Shaver
Weep No More, My Robot � Chester S. Geier � ss
Invaders from the Monster World � Edmond Hamilton � nv
The Radiant Rock � Frances M. Deegan � nv
The Scarlet Swordsmen � Don Wilcox � na
Peril from the Outlands � William Lawrence Hamling � ss
I'll Be Fleeced � Berkeley Livingston � nv

VOL. 19, N� 4 - d�cembre 1945
Couverture de Robert Gibson Jones

Quest of Brail � Richard S. Shaver � na
Planet of the Duplicates � William Lawrence Hamling � ss
Mirage World � Chester S. Geier � nv
The Miracle of Bulldozer Mike � Robert Moore Williams � ss
Me and My Shadow � Berkeley Livingston � nv
Let Freedom Ring! � Rog Phillips � nv
Gallery of Glacial Doom � Frances M. Deegan � ss