January 1944
Cover art by Robert Fuqua
- The Mad Robot • William P. McGivern • novella
- Intruders from the Stars • Ross Rocklynne • novella
- Phantom City of Luna • P. F. Costello • novelette
- Master of the Living Dead • Ed Earl Repp • novelette
- Island of Eternal Storm • Berkeley Livingston • novelette
- The Needle Points to Death • Gerald Vance • short story
March 1944
Cover art by J. Allen St. John
- The Superman • Capt. Meyer Friedenson • short story
- It's a Small World • Robert Bloch • novella (© Copyright Renewed: details pending.)
- Magnetic Miss Meteor • Don Wilcox • novelette
- Crossed Wires • Leroy Yerxa • novelette
- Battle Before Dawn • Robert Moore Williams • short story
- Thompson's Time-Traveling Theory • Mort Weisinger • short story
- Journey in Time to Cleopatra • Helmar Lewis • novelette
- Spawn of Jupiter • Ed Earl Repp • novelette
- Cokie Goes Treasure Hunting • Berkeley Livingston • short story
May 1944
Cover art by Malcolm Smith
- Murder in Space • David V. Reed • novel
- I, Rocket • Ray Bradbury • short story
- The Free-Lance of Space • Edmond Hamilton • short story
- The Headless Horror • Helmar Lewis • novelette
- Midas Morgan's Golden Touch • Emil Petaja • short story
- The Constant Drip • Berkeley Livingston • novelette
September 1944
Cover art by Julian S. Krupa
- Star Base X • Robert Moore Williams • novelette
- The Thinking Cap • William P. McGivern • novelette
- Private Prune Speaking • David Wright O'Brien • novelette
- Professor Thorndyke's Mistake • P. F. Costello • short story
- Dolls of Death • E. K. Jarvis • novelette
- Weapon for a WAC • Raymond A. Palmer • short story
- Double-Cross on Mars • William P. McGivern • novelette
- Warburton's Invention • Russell Storm • novelette
- Overlord of Venus • William Lawrence Hamling • short story
- Matches and Kings • John York Cabot • short story
- I'll See You Again • Duncan Farnsworth • short story
December 1944
Cover art by James B. Settles
- Undersea Guardians • Ray Bradbury • short story
- The Man Who Hated War • Emil Petaja • short story
- War Criminals of Renault Island • C. A. Baldwin • novella
- The Map of Fate • Donald Bern • short story
- A Most Ingenious Paradox • George Tashman • short story
- The Life Machine • Lester Barclay • novelette
- Invasion Dust • Don Wilcox • short story
- The Odyssey of Battling Bert • Stanton A. Coblentz • short story
- The Whips of Doom • Helmar Lewis • short story
- Truk Island • Berkeley Livingston • novella