Books

- The Complete Idiot's Guide to Pirates (NY: Alpha Books, Penguin USA, 2006) co-authored with pirate expert Gail Selinger
- Encyclopedia of the Central Intelligence Agency (NY: Facts On File, 2003)
- The Alpha Bravo Delta Guide to Decisive 20th-Century American Battles (Alpha, 2003)
- The Alpha Bravo Delta Guide to American Airborne Forces (Alpha, 2004)
- The Alpha Bravo Delta Guide to The Korean Conflict (Alpha, 2004)
- The Complete Idiot's Guide to Understanding Intelligent Design (Alpha, 2006) co-authored with ID expert Christopher Carlisle
