Richard Kilmer

Rebel Spurs

Andre Norton

The Mystery Girl

Carolyn Wells

The Skylark of Space

Lee Hawkins Garby, Edward E. Smith

The World Beyond

Ray Cummings

The Moon Master

Charles W. Diffin

Skylark Three

Edward E. Smith

Phantoms of Reality

Ray Cummings

The Girl in the Golden Atom

Ray Cummings

Tales of Space and Time

H.G. Wells

Brood of the Dark Moon

Charles W. Diffin

A Story of the Stone Age

H.G. Wells

The Ultimate Weapon

John W.

Ride Proud, Rebel!

Andre Norton

Supermind

Randall Garrett, Laurence M. Janifer, Mark Phillips

The Secret of the Ninth Planet

Donald A. Wollheim

The Finding of Haldgren

Charles W. Diffin

The Planet Strappers

Raymond Z. Gallun