Released to coincide with a major BBC TV documentary series on the crusades presented by the author. In the eleventh century a vast Christian army summoned to holy war by the pope rampaged through the Muslim world of the eastern Mediterranean seizing possession of Jerusalem a city revered by both faiths. Over the two hundred years that followed this First Crusade Islam & the West fought for dominion of the Holy Land clashing in a succession of chillingly brutal wars both firm in the belief that they were at God's work. For the first time this book tells the story of this epic struggle from the perspective of both Christians & Muslims reconstructing the experiences & attitudes of those on either side of the conflict. Mixing pulsing narrative & piercing insight it exposes the full horror passion & barbaric grandeur of the crusading era. One of the world's foremost authorities on the subject Thomas Asbridge offers a vivid & penetrating history of the crusades setting a new standard for modern scholarship. Drawing upon painstaking original research & an intimate knowledge of the Near East he uncovers what drove Muslims & Christians alike to embrace the ideals of jihad & crusade revealing how these holy wars reshaped the medieval world & why they continue to echo in human memory to this day.