The Master Mind of Mars

From Author Wars - https://authorwars.com/publications/the-master-mind-of-mars-286066.html

Overview:

Title: The Master Mind of Mars
Author: Edgar Rice Burroughs
Year: 1964
Publisher: Four Square Books
Price: 3/6
Pages: 144
Binding: Paperback
Type: Novel
Title Reference: The Master Mind of Mars
Notes:
• "First Four Square Edition 1962" • "Reprinted November 1964"; no number line • The artist is not credited, no visible signature on the artwork • Cover artist from The Whole Science Fiction Data Base No.4