The Warding of Witch World
Andre Norton
Witch World Series 4: Secrets of the Witch World (3)
The Magestone
Andre Norton & Mary H. Schaub
Witch World Series 4: Secrets of the Witch World (2)
The Key of the Keplian
Andre Norton & Lyn McConchie
Witch World Series 4: Secrets of the Witch World (1)