The Gods of Mars

From Author Wars - https://authorwars.com/publications/the-gods-of-mars-854582.html

Overview:

Title: The Gods of Mars
Author: Edgar Rice Burroughs
Year: 1989
ISBN-10: 0345324390
Publisher: Ballantine Books
Binding: Paperback
Type: Novel
Title Reference: The Gods of Mars
Notes: Printed in Canada. Price is $3.50, probably the US price. Source: Edgar Rice Burroughs: The Descriptive Bibliography of Ace and Ballantine / Del Rey Paperback Books (title, author, date, publisher, ISBN, price, printing, cover art). 22nd printing.