- Kongen av Jerusalem (2000)
- Faraos amulett (2001)
- The Missing Messiah (2002)
- The Heritage of the Celts (2003)
- Den skjulte pyramiden (2004)
- The Treasure of the Templars (2005)
- Aztekernes hemmelighet (2006)
- The Curse of the Pharaohs (2007)
- The Lost Island (2008)
- The Final Mystery (2009)
- Paktens ark (2010)
- Det skjulte kontinentet (2011)
- Inkaenes mysterium (2012)
- The Curse of Maya (2013)
- The Legacy of Dragons (2014)
- The City of the Gods (2015)
- The Eye of Horus (2016)
- Etruskernes hemmelighet (2017)
– The Lost Codex (2018)
- The Last Battle (2019)
Faglitterære bøker
- Historiens mysterier (2002)
- Bibelens hemmeligheter (2003)
- The History of Humanity (2004)
- Verdens store kulturer (2005)
- Verdens store religioner (2006)
- The Great Myths of the World (2007)
- Historiens store eventyr (2008)
- Historiens store oppdagelser (2009)
- The Great Inventors of History (2010)
- Historiens store kunstnere (2011)
- The Great Scientists of History (2012)
- Historiens store arkitekter (2013)
- The Great Composers of History (2014)
- The Great Writers of History (2015)
- The Great Philosophers of History (2016)
- Historiens store politikere (2017)
- Historiens store generaler (2018)
- Historiens store forbrytere (2019)