* The Lost Princess (2002)
* The Shadow King (2003)
* The Iron Warrior (2004)
* The Stone of Destiny (2005)
* The Blood of the Dragon (2006)
* The Crown of the Conqueror (2007)
* The Last Battle (2008)
Non-Fiction:
* The Vikings (2009)
* The Celts (2010)
* The Mongols (2011)
* The Samurai (2012)
* The Knights Templar (2013)
* The Age of Exploration (2014)
* The American Revolution (2015)
Children's Books:
* The Adventures of Thor (2007)
* The Adventures of Odin (2008)
* The Adventures of Loki (2009)