P T · Peter T. Underwood USMC (Ret) · Peter Underwood · T. Underwood
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| U.S. Army Survival Manual | 978-1-61608-173-7 (1-61608-173-2) | 2011 | Department of the Army |
| U.S. Army Survival: The Card Set | 978-1-61608-878-1 (1-61608-878-8) | 2013 | |