The Kings & Queens of Wales

Cromwell's Failed State and the Monarchy

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

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

A Chronology of Early Medieval Western Europe: 450–1066

The Anglo-Saxon Age: An Alternative History of Britain

The Tudors: An Alternative History of Britain

Normans and Early Plantagenets

Royal Mysteries: The Medieval Period

A Chronology of Medieval British History: 1066–1307

The Kings & Queens of Anglo-Saxon England

Kingmakers: How Power in England Was Won and Lost on the Welsh Frontier

Compendium of British Office Holders

A Compendium of Medieval World Sovereigns

A Chronology of Medieval British History: 1307–1485

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

A Chronology of Ancient Greece

The English Civil War

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

A Compendium of World Sovereigns: Volume III Early Modern