* The Shadow of Fionn (2003)
* Skogens datter (2004)
* The Well of Sorrows (2005)
* Timenes bok (2006)
* The Swan Maiden (2008)
* The Song of Rhiannon (2009)
* The Legend of Merlin (2011)
* The Last Queen of Camelot (2013)
* The Excalibur Stones (2015)
* The Chalice of Love (2017)
Noveller:
* "The Legend of the Green Knight" (2003)
* "The Lady of the Lake" (2005)
* "The Enchanted Sword" (2006)
* "The Questing Beast" (2007)
* "Den onde dronningen" (2010)
* "The Golden Touch" (2012)
* "The Giant of Cornwall" (2014)
* "The Black Knight" (2016)
* "The White Stag" (2018)
* "The Magic Mirror" (2020)
Faktabøker:
* The Book of Celtic Lore:A Guide to the Ancient Myths and Legends (2004)
* The Arthurian Legends:A Guide to the Characters and Places of the Celtic World (2006)
* The Celtic Spirit:A Guide to the Ancient Wisdom and Traditions (2008)
* The Sacred Sites of Ireland:A Guide to the Ancient Holy Places (2010)
* The Celtic Festival Handbook:A Guide to the Ancient Seasonal Festivals (2012)