Christopher Tyerman is a Fellow and Tutor in History at Hertford College, Oxford and Lecturer in Medieval History at New College Oxford. He has written extensively on the crusades, most recently God's War: A New History of the Crusades (2006) and The Debate on the Crusades (2011).
Of all the modern histories of the crusades it is the shrewdest, the most reliable and the most complete [Praise for God's War] * The Spectator *