True Path of the Ninja: The Definitive Translation of the Shoninki (An Authentic Ninja Training Manual)

A Distant Mirror: The Calamitous 14th Century

The Book of Ninja: The Bansenshukai - Japan's Premier Ninja Manual

The Hollow Crown: The Wars of the Roses and the Rise of the Tudors

The Ultimate Guide to Yin Yang

The Safeguard of the Sea: A Naval History of Britain 660-1649

In Search of the Ninja: The Historical Truth of Ninjutsu

Thomas Becket: Warrior, Priest, Rebel, Victim: A 900-Year-Old Story Retold

Samurai and Ninja: The Real Story Behind the Japanese Warrior Myth that Shatters the Bushido Mystique

Medieval Europe

Modern Ninja Warfare: Ninja Tactics for the Modern Warrior

The Black Death: A History From Beginning to End

Ninja Skills: The Authentic Ninja Training Manual

The Time Traveller's Guide to Medieval England: A Handbook for Visitors to the Fourteenth Century

Zen and the Samurai Sword: Japanese warrior techniques for agility, clarity and calm

Old Japan: Secrets from the Shores of the Samurai

Byzantium: The Surprising Life of a Medieval Empire

The Ultimate I Ching: An Illustrated Step-by-Step Guide to the Book of Changes

The Oxford History of Byzantium