* The Inventory: A History of the Roman Villa in Late Antiquity (2016)
* The Monarchy of England: The Beginnings (2014)
* Henry: Virtuous Prince (2013)
* Magna Carta: The People's Charter (2015)
* Crown and Country: A History of England from the Middle Ages to the Tudors (2011)
* The English Court: From the Wars of the Roses to the Civil War (2008)
* Splendour at Court: Renaissance Spectacle and the Theater of Power (2008)
* The New Kingdom: Scotland and England, 1542-1603 (2004)
* Monarchy: From the Middle Ages to Modernity (2003)
* Elizabeth: Apprenticeship (2000)
* The King's Reformation: Henry VIII and the Remaking of the English Church (2009)
* The Reign of Henry VII (1990)
* Elizabeth: The Struggle for the Throne (2000)
* The English Court in the Later Middle Ages (1987)
* The English Victualling Office (1978)
* The Church of England, 1000-1500 (1990)
* The Hollow Crown: A History of Britain in the Late Middle Ages (2004)
Fiction:
* The Devil's Brood: A Novel (2013)
* The Serpent's Tongue: A Novel (2014)
* The Iron Crown: A Novel (2018)