Retief of the CDT

From Author Wars - https://authorwars.com/publications/retief-of-the-cdt-189957.html

Overview:

Title: Retief of the CDT
Author: Keith Laumer
Year: Unknown
ISBN-10: 0671818651
Publisher: Pocket Books
Price: $1.75
Pages: 191
Binding: Paperback
Type: Collection
Title Reference: Retief of the CDT
Notes:
• "First Pocket Books printing July, 1978"
• Second printing by number line 10—2
• Still has the same ad in the back as the first printing with date code 3-78 so likely printed later in 1978
• The artist is not credited, no visible signature on the artwork
• Printed in the US