This new edition of iByzantium and the Crusadesi provides a fully-revised and updated version of Jonathan Harris's landmark text in the field of Byzantine and crusader history.brbrThe book offers a chronological exploration of Byzantium and the outlook of its rulers during the time of the Crusades. It argues that one of the main keys to Byzantine interaction with Western Europe, the Crusades and the crusader states can be found in the nature of the Byzantine Empire and the ideology which underpinned it, rather than in any generalised hostility between the peoples.brbrTaking recent scholarship into account, this new edition includes an updated notes section and bibliography, as well as significant additions to the text brbr- New material on the role of religious differences after 1100br- A detailed discussion of economic, social and religious changes that took place in 12th-century Byzantine relations with the westbr- In-depth coverage of Byzantium and the Crusades during the 13th centu