A Question of Courage
J. F. Bone
The K-Factor
Harry Harrison
The Untouchable
Stephen A. Kallis, Jr.
Gun for Hire
Mack Reynolds
I'm a Stranger Here Myself
Card Trick
John Berryman
Rebels of the Red Planet
Charles L. Fontenay
The Highest Treason
Randall Garrett
Star Hunter
Andre Norton
The Green Beret
Tom Purdom
Four-Day Planet
H. Beam Piper
Federation (1)
This World Is Taboo
Murray Leinster
Med Service (4)
What Need of Man?
Harold Calin