* _Lost Shadow_ (1989)
* _The Devil's Triangle_ (1989)
* _The Final Day_ (1990)
* _Mind Prey_ (1991)
* _The Undying_ (1992)
* _The Unseen_ (1993)
* _Resurrection_ (1994)
* _The Deadliest Game_ (1995)
* _The Immortals_ (1996)
* _The Armageddon Strain_ (1997)
Non-Fiction
* _The Intelligence Explosion: How AI will Transform Life on Earth_ (2017)
* _Mind of a Terrorist: Inside the Minds of the World's Deadliest Terrorists_ (2021)