Operation Chaos

From Author Wars - https://authorwars.com/publications/operation-chaos-25051.html

Overview:

Title: Operation Chaos
Author: Poul Anderson
Year: 1971
Publisher: Lancer Books
Price: $0.95
Pages: 232
Binding: Paperback
Type: Novel
Title Reference: Operation Chaos
Notes: First paperback edition. Date from copyright. Other sites list it as either 1971 or unknown. Hardcover was 1971, Berkley reprint in 1978. No artist listed, does look like Freas.