Beginning in the heady days just after the First Crusade, this volume--the third in the series that began with The History of the Ancient World and The History of the Medieval World--chronicles the contradictions of a world in transition. Popes continue to preach crusade, but the hope of a Christian empire comes to a bloody end at the walls of Constantinople. Aristotelian logic and Greek rationality blossom while the Inquisition gathers strength...