CASTLE: A History of the Buildings that Shaped Medieval Britain (2003)

THE BIGOD EARLS OF NORFOLK IN THE THIRTEENTH CENTURY (2005)

A GREAT AND TERRIBLE KING: Edward I and the Forging of Britain (2008)

THE NORMAN CONQUEST: The Battle of Hastings and the Fall of Anglo-Saxon England (2012)

KINGS AND CASTLES (2012)

KING JOHN: Treachery, Tyranny and the Road to Magna Carta (2015)