Western European civilization in the medieval centuries was a time of significant development as the ascendency of the Roman Catholic Church spread Christianity throughout Europe. This book examines the religious life of this formative period, the history of the institutional Church, and focuses on the interaction between the Church and secular members of society. This new edition has been updated, and includes new visual evidence and a glossary of technical terms.

Bernard Hamilton is Professor Emeritus of Crusading History at the University of Nottingham.