* _Joseph and His Brothers_ (1979)
* _The Saracen_ (1982)
* _The Wild Queen_ (1990)
* _The Raptor_ (1995)
* _The Death of Kings_ (1996)
Non-fiction
* _The Song of Roland: An English Translation_ (1970)
* _The Song of Roland: A New Critical Introduction_ (1981)
* _The Life and Times of Charlemagne_ (1984)
* _A Companion to the Song of Roland_ (1987)
* _The Normans in the South: 1016-1130_ (1989)
* _The Normans in the West: 1016-1130_ (1990)
* _The Crusades: A History_ (1991)
* _The Norman Conquest: A New Introduction_ (1992)
* _The Year 1066: A History of the Norman Conquest_ (1993)
* _The History of the Crusades: The First Crusade_ (1994)
* _The Normans in the South: 1130-1250_ (1995)
* _The History of the Crusades: The Second Crusade_ (1996)
* _The Normans in the West: 1130-1250_ (1997)
* _The History of the Crusades: The Third Crusade_ (1998)
* _The Normans in Britain: A New History_ (2002)
* _Norman Castles_ (2003)
* _The History of the Crusades: The Fourth Crusade_ (2004)
* _The Anglo-Saxons: A New History_ (2005)
* _The Normans in Scotland_ (2006)
* _The History of the Crusades: The Fifth Crusade_ (2007)
* _The Normans in Ireland_ (2008)
* _The History of the Crusades: The Sixth Crusade_ (2009)
* _The Normans in France: 911-1204_ (2010)
* _The Normans: A History_ (2011)