- The Orion Mystery (with Adrian Gilbert) (1994)
- Keeper Of Genesis (with Graham Hancock) (1995)
- The Message of the Sphinx (with Graham Hancock) (May 1997)
- Secret Chamber (1999)
- Talisman: Sacred Cities, Secret Faith (with Graham Hancock) (2004)
- The Egypt Code (Oct 2006)
- Black Genesis: The Prehistoric Origins of Ancient Egypt (with Thomas Brophy PhD) (April 2011)
- The Master Game: Unmasking the Secret Rulers of the World (Sept 2011)
- Breaking The Mirror Of Heaven: The Conspiracy To Suppress The Voice Of Ancient Egypt (with Ahmed Osman) (July 2012)
(Source: Wikipedia)