Ability Quotient
Mack Reynolds
Adaptation
United Planets (1)
After Utopia
Amazon Planet
United Planets (5)
Among the Bad Baboons
The Best Ye Breed
Homer Crawford (3)
Blackman's Burden
Homer Crawford (1)
Border, Breed Nor Birth
Homer Crawford (2)
Brain World
United Planets (7)
Code Duello
United Planets (4)
Combat
The Common Man
Commune 2000 A.D.
Bat Hardin (1)
Compounded Interest