Policy
Keith Laumer
Retief (1)
Young Flandry: The Technic Civilization Saga
Poul Anderson
Technic Civilization Saga (4)
Wielding a Red Sword
Piers Anthony
Incarnations of Immortality (4)
Love Bites
K. Alexander
Doorways
Tim O'Rourke
The Doorways Trilogy (1)