Code Duello
Mack Reynolds
United Planets (4)
The Rival Rigelians
United Planets (3)
Dawnman Planet
United Planets (2)
The Rival Rigelians and Planetary Agent X
United Planets (1)
Planetary Agent X
Adaptation
Police Patrol: 2000 A.D.
Police Patrol (1)
Criminal in Utopia
Romp
The Lagrangists
Lagrange (2)
Satellite City
Lagrange Five
Lagrange (1)