The Last Fathom

From Author Wars - https://authorwars.com/publications/the-last-fathom-250702.html

Overview:

Title: The Last Fathom
Author: Martin Caidin
Year: 1978
ISBN-10: 0523404522
Publisher: Pinnacle Books
Price: $1.95
Pages: 306
Binding: Paperback
Type: Novel
Title Reference: The Last Fathom
Notes: Stated 2nd printing