* _Mørk måne_ (1995)
* _Shadow Zone_ (1996)
* _Final Darkness_ (1997)
* _Tempelet_ (1998)
* _The Crystal Shrine_ (1999)
* _Den forbudte by_ (2000)
* _The Lost Tomb_ (2001)
* _The Secret of Shambhala_ (2002)
* _Det siste fjellet_ (2003)
* _Isbroen_ (2004)
* _The Firestorm_ (2005)
* _Maelstrømmen_ (2006)
* _Apokalypsen_ (2007)
* _Destroyer_ (2008)
* _Forløseren_ (2009)
* _The Guardian_ (2010)
* _The Chosen_ (2011)
* _Erobreren_ (2012)
* _Destroyer_ (2013)
* _Forløseren_ (2014)
* _The Guardian_ (2015)
* _The Chosen_ (2016)
* _Erobreren_ (2017)
* _Destroyer_ (2018)
* _Forløseren_ (2019)
* _The Guardian_ (2020)
* _De utvalgte_ (2021)
* _Erobreren_ (2022)
Faglitteratur
* _Eventyrets Tao_ (2004)
* _The Path of Power_ (2006)
* _The Secrets of Shambhala_ (2008)
* _The Mysteries of the Templars_ (2010)
* _The Enigma of Easter Island_ (2012)
* _The Lost City of Atlantis_ (2014)
* _Frimureriets hemmelige historie_ (2016)
* _The Illuminati:Unveiled_ (2018)
* _Verdens skjulte historie_ (2020)
* _The Ancient Aliens Theory:A Critical Analysis_ (2022)