Retief's War

From Author Wars - https://authorwars.com/publications/retiefs-war-270001.html

Overview:

Title: Retief's War
Author: Keith Laumer
Year: 1979
ISBN-10: 0671835564
Publisher: Pocket Books
Price: $1.95
Pages: 172
Binding: Paperback
Type: Novel
Title Reference: Retief's War
Notes:
"First Pocket Books printing December, 1976" 2nd printing as per number line 10—2 Date from two ads in the back with codes 5-79 The artist is not credited, no visible signature on the artwork; credit from here Printed in the US