Facts On File Library Of World History (1998–2007)
- Handbook to Life in Ancient Rome (1998)
- Encyclopedia of Ancient Egypt (1999)
- Handbook to Life in Ancient Egypt (1999)
- Encyclopedia Of Assassinations (2001)
- Handbook to Life in Ancient Mesopotamia (2005)
- Handbook to Life in Medieval and Early Modern Japan (2005)
- Handbook to Life in the Ancient Maya World (2005)
- Handbook to Life in the Aztec World (2007)