We have no king but Christ. Christian political thought in greater Syria on the eve of the Arab conquest (c. 400–585). By Philip Wood. (Oxford Studies in Byzantium.) Pp. xii+295 incl. frontispiece and 6 ills. Oxford: Oxford University Press, 2010. £60. 978 0 19 958849 7 - Louth, Andrew (The journal of ecclesiastical history, 2012)