Moon of Three Rings

From Author Wars - https://authorwars.com/publications/moon-of-three-rings-276643.html

Overview:

Title: Moon of Three Rings
Author: Andre Norton
Year: 1974
Publisher: Ace Books
Price: $1.25
Pages: 256
Binding: Paperback
Type: Novel
Title Reference: Moon of Three Rings
Notes:
• ©1966 No printing or edition stated.
• The artist is not credited, no visible signature
• Interior art pieces not credited, both have Gaughan's "JG" on them
• OCLC/WorldCat has [1974?]