Harper Paperbacks, 2002., 384 pp., ISBN 0-06-093259-7* "Shadow Divers Exposed" by Gary Gentile (ISBN 978-1-883056-24-7)* "Shadow Divers" by Robert Kurson ISBN 0-375-50858-9==External links==* Divers Tell Tale Of Mystery Sub: U-Who?
Harper Paperbacks, 2002., 384 pp., ISBN 0-06-093259-7* "Shadow Divers Exposed" by Gary Gentile (ISBN 978-1-883056-24-7)* "Shadow Divers" by Robert Kurson ISBN 0-375-50858-9* Divers Tell Tale Of Mystery Sub: U-Who?