* The Lost Princess (2002)
* The Shadow King (2003)
* The Iron Warrior (2004)
* The Stone of Destiny (2005)
* Dragens blod (2006)
* Erobrerens krone (2007)
* The Last Battle (2008)
Faktalitteratur:
* The Vikings (2009)
* Kelterne (2010)
* The Mongols (2011)
* Samuraien (2012)
* Tempelridderne (2013)
* The Age of Exploration (2014)
* Den amerikanske revolusjonen (2015)
Barnebøker:
* The Adventures of Thor (2007)
* The Adventures of Odin (2008)
* The Adventures of Loki (2009)