- "The Medici Affair" (1980)
- "The Last Testament" (1983)
- "The Tenth Power" (1986)
- "The Brotherhood of the Rose" (1990)
- "The Children of the Grail" (1993)
- "The Secret of the Sphinx" (1995)
- "The Codex" (1998)
- "The Veil" (2000)
- "The Lazarus Project" (2003)
- "The Lost Gospel" (2006)
Non-fiction:
- "The Adventures of a Reluctant Messiah" (1997)
- "The New Book of the Dead" (2002)
- "Return of the Messiah: Jewish Legends, Christian Contradictions, and Islamic Illusions" (2009)
- "Apocalypse: The Great Jewish-Christian Debate Over Armageddon and the End of Time" (2011)