Ringworld's Children
Larry Niven
Ringworld (4)
That Hideous Strength
C. S. Lewis
Cosmic (3)
Escape From Roksamur
Mark Shepherd
Bard's Tale (7)
The Planet Wreckers
Keith Laumer
Oaths of Blood
SM Reine
The Ascension Series (2)
Sacrificed in Shadow
The Ascension Series (1)