- "The Medici Affair" (1980)
- "Det siste testamente" (1983)
- "Den tiende makten" (1986)
- "Rosens brorskap" (1990)
- "The Children of the Grail" (1993)
- "The Secret of the Sfinx" (1995)
- "The Codex" (1998)
- "The Veil" (2000)
- "Lazarus-prosjektet" (2003)
- "The Lost Gospel" (2006)
Faktalitteratur:
- "Eventyrene til en motvillig Messias" (1997)
- "The New Book of the Dead" (2002)
- "Return of the Messiah:Jewish Legends, Christian Contradictions, and Islamic Illusions" (2009)
- "Apocalypse:Den store jødisk-kristne debatten over Armageddon og tidens ende" (2011)