Undersea Fleet

From Author Wars - https://authorwars.com/publications/undersea-fleet-500528.html

Overview:

Title: Undersea Fleet
Author: Frederik Pohl, Jack Williamson
Year: 1983
ISBN-10: 0345308158
Publisher: Del Rey / Ballantine
Price: C$2.50
Pages: 154
Binding: Paperback
Type: Novel
Title Reference: Undersea Fleet
Notes:
• "First Edition: April 1971"
• "Fourth Printing: January 1983"; no number line
• "Cover art by David B. Mattingly" on copyright page, the artwork is also signed
• Cover printed in the US, book in Canada
• OCLC has no record for the ISBN or printing