A Chronology of Early Medieval Western Europe: 450–1066

Biocentrism: How Life and Consciousness are the Keys to Understanding the True Nature of the Universe

Lords of the Isles: From Viking Warlords to Clan Chiefs

Cycles of Time: An Extraordinary New View of the Universe

Time Travel: An Approximate Mathematical Solution

Royal Mysteries of the Tudor Period

When: The Scientific Secrets of Perfect Timing

The Kings & Queens of Wales

The Far Horizons of Time: Time and Mind in the Universe

The Anglo-Saxon Age: An Alternative History of Britain

Beyond Biocentrism: Rethinking Time, Space, Consciousness, and the Illusion of Death

Compendium of British Office Holders

Analytic Idealism in a Nutshell: A straightforward summary of the 21st century’s only plausible metaphysics

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

Royal Mysteries of the Stuart and Georgian Periods

From Eternity to Here: The Quest for the Ultimate Theory of Time

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

Hyperspace: A Scientific Odyssey through Parallel Universes, Time Warps, and the Tenth Dimension

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

The Green Ages: Medieval Innovations in Sustainability