The End Bringers

From Author Wars - https://authorwars.com/publications/the-end-bringers-331804.html

Overview:

Title: The End Bringers
Author: Douglas R. Mason
Year: 1973
ISBN-10: 0345033663
Publisher: Ballantine Books
Price: C$1.25
Pages: 208
Binding: Paperback
Type: Novel
Title Reference: The End Bringers
Notes:
First Printing: June 1973; no number line "Cover art by Chris Foss" on copyright page, the artwork is also 'signed' Printed in Canada