Three Against the Witch World

From Author Wars - https://authorwars.com/publications/three-against-the-witch-world-51197.html

Overview:

Title: Three Against the Witch World
Author: Andre Norton
Year: 1986
ISBN-10: 0441808085
Publisher: Ace Books
Price: $2.75
Pages: 251
Binding: Paperback
Type: Novel
Title Reference: Three Against the Witch World
Notes:
"Thirteenth printing / April 1986" $3.50 in Canada [from image]