Jonathan PhillipsJonathan Phillips is Professor of Crusading History at Royal Holloway, University of London. He is the author of Holy Warriors: A Modern History of the Crusades; The Second Crusade: Extending the Frontiers of Christianity; TheFourth Crusade and the Sack of Constantinople; The Crusades, 1095-1197; Defenders of the Holy Land, 1119-1187 and the co-editor of three academic essay collections on the Crusades. Phillips is the co-editor of the academic journal Crusades, writes for BBC History and History Today and has made numerous radio and television appearances. Read More Read Less