- The Unofficial Hobbit Handbook: Everything I Need to Know about Life I Learned from Tolkien
- The Great White Wyrm
- Uneasy Alliances
- The Book Of Viking Myths: From the voyages of Leif Erikson to the deeds of Odin, the storied history and folklore of the Vikings
- The Unofficial Middle-Earth Monster's Guide: Hunt Hobbits, Hoard Treasure, and Embrace Your Villainous Nature: The Mordor Collective