J.D. · James D. · James Duffy · James P.
Enigma Books · HarperCollins · John Wiley & Sons · Praeger Publishers · The Lyons Press · University of Nebraska Press
| title | media type | ISBN-13 | year of publica- tion |
|---|---|---|---|
| Cutting College Costs | Hardcover | 978-0-06-055132-2 | 1988 |
| Hitler's Secret Pirate Fleet: The Deadliest Ships of World War II | Paperback | 978-0-8032-6652-0 | 2005 |
| Hitler's Secret Pirate Fleet: The Deadliest Ships of World War II | Hardcover | 978-0-275-96685-0 | 2001 |
| How to Earn a College Degree without Going to College | Paperback | 978-0-471-30788-4 | 1994 |
| Lincoln's Admiral: The Civil War Campaigns of David Farragut | Hardcover | 978-0-471-04208-2 | 1997 |
| Target: America: Hitler's Plan to Attack the United States | Paperback | 978-1-59228-934-9 | 2006 |
| TARGET: AMERICA: Hitler's Plan to Attack the United States | Hardcover | 978-0-275-96684-3 | 2004 |
| Target Hitler: The Plots to Kill Adolf Hitler | Paperback | 978-1-929631-79-7 | 2009 |