Firkin series
- The Sorcerer's Appendix (1993)
- The Frogs of War (1994)
- The Tome Tunnel (1994)
- Fahrenheit 666 (1995)
- One Hundred And One Damnations (1995)
Standalone novels
- The Scrying Game (1996)
- The Deity Dozen (1996)
- A Midsummer Night's Gene (1997)
- It Came from On High (1998) aka Beyond Belief
- The Suburban Salamander Incident (1999)
- Talonspotting (2000)
Note:
Beyond Belief (1998), which shows up in various Internet booklists, does not seem to exist.