The Warlord of Mars

From Author Wars - https://authorwars.com/publications/the-warlord-of-mars-183941.html

Overview:

Title: The Warlord of Mars
Author: Edgar Rice Burroughs
Year: 1964
Publisher: Ballantine Books
Price: $0.50
Pages: 158
Binding: Paperback
Type: Novel
Title Reference: The Warlord of Mars
Notes:
• "First Printing: March 1963" • "Second Printing: May 1963" • Third Printing: February 1964"; no number line • "Cover Painting: Bob Abbett" on copyright page, the artwork is also signed • Printed in the US