- _God: A Biography_ (1993)
- _Ancestors_ (1995)
- _The Time-Cast Shadow_ (1998)
- _The Flight of the Silverships_ (2000)
- _The Phoenix Chronicles_ (2006-2008)
Non-Fiction:
- _The Book of the Dead_ (1997)
- _The Dictionary of Modern Astrology_ (2000)
- _The Astrology Encyclopedia_ (2002)
- _The Dream Encyclopedia_ (2004)
- _The Book of Numbers_ (2010)