Synthetic Men of Mars

From Author Wars - https://authorwars.com/publications/synthetic-men-of-mars-183937.html

Overview:

Title: Synthetic Men of Mars
Author: Edgar Rice Burroughs
Year: 1963
Publisher: Ballantine Books
Price: C$0.50
Pages: 160
Binding: Paperback
Type: Novel
Title Reference: Synthetic Men of Mars
Notes:
• "First Printing: June 1963"; no number line • The artist is not credited, the artwork is signed • Cover printed in the US, book in Canada