The Master Mind of Mars

From Author Wars - https://authorwars.com/publications/the-master-mind-of-mars-386751.html

Overview:

Title: The Master Mind of Mars
Author: Edgar Rice Burroughs
Year: 1963
Publisher: Ballantine Books
Price: C$0.50
Pages: 160
Binding: Paperback
Type: Novel
Title Reference: The Master Mind of Mars
Notes:
• "First Printing: December 1964"; no number line • Later editions have the first CDN printing as February 1964 • The artist is not credited, part of Abbett's signature is visible [could be cropped on some copies] • Printed in Canada