Synthetic Men of Mars

From Author Wars - https://authorwars.com/publications/synthetic-men-of-mars-34169.html

Overview:

Title: Synthetic Men of Mars
Author: Edgar Rice Burroughs
Year: 1967
Publisher: Ballantine Books
Price: $0.50
Pages: 160
Binding: Paperback
Type: Novel
Title Reference: Synthetic Men of Mars
Notes:
"Third printing: July, 1967"; no number line "Cover Painting: Bob Abbett" on copyright page, the artwork is also signed