Ten Popes Who Shook the World

The Stripping of the Altars: Traditional Religion in England, 1400-1580

Saints and Sinners: A History of the Popes; Third Edition (Yale Nota Bene)

Marking the Hours: English People and Their Prayers, 1240-1570

Broker, Trader, Lawyer, Spy: The Secret World of Corporate Espionage

The Voices of Morebath: Reformation and Rebellion in an English Village

Killing Rage

Faith of Our Fathers (Continuums Icons)

Eamon de Valera: The man who was Ireland

Out of Sight: New and Selected Poems