pJonathan Harris's classic text chronologically surveys Byzantine history in the time of the Crusades. The book reveals the attitudes of the Byzantine ruling elites towards the Crusades and their ultimate inability to adapt to the challenges this presented. Using evidence amassed in a wealth of primary sources, Harris successfully makes the point that Byzantine interactions with Western Europe, the Crusades and the crusader states is best understood in the nature of the Byzantine Empire and the ideology which underpinned it, rather than in any generalised hostility between the peoples. pIncorporating recent scholarship, this 3rd edition has 25 further images, as well as additional maps and genealogical tables. This new edition also comes with two significant additions to the text p bAppendix I bsees the inclusion of seven critical Latin primary sources taken from across three centuries. Translated by the author, these sources are then discussed in detail, providing multiple first-hand