Three Against the Witch World

From Author Wars - https://authorwars.com/publications/three-against-the-witch-world-304368.html

Overview:

Title: Three Against the Witch World
Author: Andre Norton
Year: 1981
ISBN-10: 0441808069
Publisher: Ace Books
Price: $2.25
Pages: 251
Binding: Paperback
Type: Novel
Title Reference: Three Against the Witch World
Notes:
8th printing as per number line. The artist is not credited, the artwork is signed OCLC has [1981?]