- _God:A Biography_ (1993)
- _Forfædre_ (1995)
- _The Time-Cast Shadow_ (1998)
- _Sølvskibenes flugt_ (2000)
- _The Phoenix Chronicles_ (2006-2008)
Faglitteratur:
- _De dødes bog_ (1997)
- _The Dictionary of Modern Astrology_ (2000)
- _The Astrology Encyclopedia_ (2002)
- _The Dream Encyclopedia_ (2004)
- _Numrenes Bog_ (2010)