* The English Reformation: A Guide to Recent Scholarship (1993)
* The World of Queen Elizabeth I (1975)
* The Wars of the Roses: A Conflict of Good Men (2010)
* A Monarchy Transformed: Britain 1603-1714 (2014)
* The Making of the Tudor Dynasty (2021)
Articles
* "The Reformation in England" in The Oxford History of England (2002)
* "Elizabeth I and Her Court" in The Elizabethan Age (2005)
* "The Wars of the Roses" in The Oxford Encyclopedia of British History (2010)
* "Monarchy and Parliament in the Seventeenth Century" in The Longman History of England (2011)
* "The Early Stuarts" in The Cambridge History of Britain (2015)
Reviews
* "The Reformation in Tudor England" by Christopher Haigh (1993) in The Journal of Ecclesiastical History
* "The Elizabethan World" by Susan Brigden (1998) in The American Historical Review
* "The Wars of the Roses" by Michael Hicks (2010) in The Times Literary Supplement
* "Monarchy Transformed: Britain 1603-1714" by Mark Kishlansky (2014) in The English Historical Review
* "The Making of the Tudor Dynasty" by David Starkey (2021) in The History of Parliament
Other
* Editor, The Letters of Queen Elizabeth I (1982)
* Contributor, The Oxford Dictionary of National Biography (2004)