Second Genesis
Eric Frank Russell
Operation: Outer Space
Murray Leinster
Man of Many Minds
E. Everett Evans
The Moon Is Hell!
John W. Campbell, Jr.
Darker Than You Think
Jack Williamson
The Forbidden Garden
John Taine
Of Worlds Beyond
Lloyd Arthur Eshbach
The Book of Ptath
A. E. Van Vogt
Assignment in Eternity
Robert A. Heinlein
The Legion of Time
First Lensman
Edward E. Smith
Lensman (2)
Triplanetary
Lensman (1)
The Incredible Planet
John W. Campbell, Jr. & Christopher Stasheff
Mightiest Machine (2)