Royal Mysteries: The Medieval Period

Cromwell's Failed State and the Monarchy

The Kings & Queens of Anglo-Saxon England

The Hundred Years War

The Fall of Cromwell’s Republic and the Return of the King: From Commonwealth to Stuart Monarchy, 1657–1670

The King Arthur Mysteries: Arthur's Britain & Early Medieval World

The Tudors: An Alternative History of Britain

A Chronology of Ancient Greece

A Chronology of Medieval British History: 1307–1485

Compendium of British Office Holders

The Fall of Cromwell's Republic and the Return of the King: From Commonwealth to Stuart Monarchy, 1657–1670

A Compendium of Medieval World Sovereigns

A Compendium of World Sovereigns: Volume III Early Modern

Normans and Early Plantagenets

The English Civil War

Royal Mysteries of the Stuart and Georgian Periods

A Chronology of Early Medieval Western Europe: 450–1066

The Anglo-Saxon Age: An Alternative History of Britain

Lords of the Isles: From Viking Warlords to Clan Chiefs

If Rome Hadn't Fallen: How the Survival of Rome Might Have Changed World History