Book excerpt: This book contains 42 papers delivered at the International Conference on Military Orders held at Clerkenwell, London, in September, 1992. There are five sections covering the Hospitallers, the Templars, the Teutonic Knights, the Spanish Orders, and the perceptions and role of the orders.The impact of the military orders on European History has been profound, both in what they achieved and in the way interpretations of these achievements have since shaped European perceptions. Their influence can be found in places as far apart as Lithuania and Andalusia, Scotland and Palestine, and their chronological range extends from their origins in the 12th century down to the present day.This importance is fully reflected in this book, where the latest research is brought together through the contributions of scholars from 13 countries.