Spartan Planet
A. Bertram Chandler
John Grimes Rimworld (7)
The Rim Gods
John Grimes Rimworld (14)
Left-Hand Way (Navel Engagement)
Hand Way (1)
Two Can Play
Navel Engagement (The Left Hand Way)
The Road to the Rim
John Grimes Rimworld (4)
The Road to the Rim / The Hard Way Up
The Saga of Commodore John Grimes (Ace Double Set) (1)
Nebula Alert
Empress Irene (3)
Contraband from Otherspace
John Grimes Rimworld (13)
The Alternate Martians
Empress of Outer Space
Empress Irene (1)