N° 13 - juin
Couverture de Frank R. Paul

A Subterranean Adventure [Part 1 of 3] • George Paul Bauer • n.
The Incredible Monstrosity • Walter Kateley • n
Trapped in the Depths • Capt. S. P. Meek, U.S.A. 
The Time Ray of Jandra • Raymond A. Palmer • 
Waves of Death • Wesley Arnold • ss
The Bat-Men of Mars [Part 2 of 3] • Wood Jackson 

N° 14 - juillet
Couverture de Frank R. Paul

The Time Valve [*Wendelin] • Miles J. Breuer •
The Flight of the Mercury • Charles R. Tanner •
The Bat-Men of Mars [Part 3 of 3] • Wood Jackson 
After 5000 Years • Victor A. Endersby • ss
The War of the Great Ants • Jim Vanny • nv
A Subterranean Adventure [Part 2 of 3] • George Paul Bauer • n.
The Red Plague • P. Schuyler Miller • ss

N° 15 - août
Couverture de Frank R. Paul

The Martian Revenge • Henrik Dahl Juve • nv
The Annihilator Comes [*Robert Allison] • Ed Earl Repp • na
When the Moons Met • Clyde Beck • ss
The Radium Master • Jim Vanny • nv
A Subterranean Adventure [Part 3 of 3] • George Paul Bauer • n.

N° 16 - septembre  
Couverture de Frank R. Paul

The War Lord of Venus [Part 1 of 3] • Frank J. Bridge • n.
In 20,000 A.D.! [*Jed] • Nathan Schachner & Arthur Leo Zagat • nv
The Tragedy of Spider Island • Capt. S. P. Meek, U.S.A. • nv
The King of the Black Bowl • R. F. Starzl • nv
A Rescue in Space • Lowell Howard Morrow • nv
The Torpedo Terror • Edsel Newton • nv

N° 17 - octobre
Couverture de Frank R. Paul

Marooned in Andromeda • Clark Ashton Smith •
The Lizard-Men of Buh-Lo • Francis Flagg • nv
The Empire in the Sky • Ralph W. Wilkins • ss
The City on the Cloud • L. Taylor Hansen • ss
Faster Than Light • J. Harvey Haggard • ss
The Man Who Laughs • Norman J. Bonney • ss
The War Lord of Venus [Part 2 of 3] • Frank J. Bridge • n.

N° 18 - novembre
Couverture de Frank R. Paul

 

The Time Annihilator • Edgar A. Manley & Walter Thode • nv
The House in the Clouds • Ulf Hermanson • ss
The Invulnerable Scourge • John S. Campbell • 
Lords of the Deep • Henry F. Kirkham • nv
Hornets of Space • R. F. Starzl • ss
The War Lord of Venus [Part 3 of 3] • Frank J. Bridge • n

N° 19 - décembre  
Couverture de Frank R. Paul

The Outpost on the Moon [Part 1 of 3] • Joslyn Maxwell • n
The End of Time [*Mr. Brown] • Henry F. Kirkham 
The Silent Scourge • Morrison Colladay • nv
The Synthetic Men • Ed Earl Repp • nv
The Struggle for Venus • Wesley Arnold • nv
The Air-Plant Men • Roger Wulfres • ss