A History of Exorcism in Catholic Christianity

The Green Ages: Medieval Innovations in Sustainability

Magic as a Political Crime in Medieval and Early Modern England: A History of Sorcery and Treason

Vikings

Twilight of the Godlings: The Shadowy Beginnings of Britain's Supernatural Beings

The Anglo-Saxons: A History of the Beginnings of England

Magic in Merlin's Realm: A History of Occult Politics in Britain

English Catholics and the Supernatural, 1553–1829

Hadrian's Wall

The Restoration of Rome: Barbarian Popes & Imperial Pretenders

Life in a Medieval Castle

Unruly: The Number One Bestseller ‘Horrible Histories for grownups’ The Times

Armies of Anglo-Saxon England 410–1066: History, Organization and Equipment

The Knight in History

The Anglo-Saxon Chronicle: Illustrated and Annotated

The Plantagenets: The Kings That Made Britain

Queens of the Wild: Pagan Goddesses in Christian Europe: An Investigation

The Fall of Roman Britain: and Why We Speak English