- "Suncatcher" (1990)
- "The Eyes of Dawn" (1993)
- "The Last Templar" (1995)
- "Kat" (1996)
- "Vortex" (1998)
- "The Templars' Treasure" (2000)
- "The Seventh Sword" (2002)
- "The Secret of Rennes-le-Château" (2004)
- "The Assassin's Secret" (2006)
- "The House of Shadows" (2008)
- "The Temple of Solomon" (2010)
- "The Ark of the Covenant" (2012)
- "The Spear of Destiny" (2014)
- "The Holy Grail" (2016)
Non-Fiction:
- "The Real Da Vinci Code" (2005)
- "The Templar Code: The Secret History of the Knights Templar" (2006)
- "The Gnostic Gospels: The Lost Texts of Christianity" (2007)
- "The Secret History of Freemasonry" (2009)
- "The Illuminati: The Secret Society That Hijacked the World" (2011)
- "The Brotherhood of the Snake: The Secret Origins of the Illuminati" (2013)
- "The New World Order: The Secret Plan to Control the World" (2015)