The Beasts of Valhalla
George C. Chesbro
Mongo (4)
Two Songs the Archangel Sings
Mongo (5)
Clan Ground
Clare Bell
Ratha (2)
Beyond the Tomorrow Mountains
Sylvia Louise Engdahl
Star (2)
The Crystal Gryphon
Andre Norton
The Gryphon Saga (1)
The Riddle-Master of Hed
Patricia A. McKillip
The Quest of the Riddle-Master (1)
Heir of Sea and Fire
The Quest of the Riddle-Master (2)