When our world became Christian, 312–394. By Paul Veyne. (Trans. by Janet Lloyd of Quand notre monde est devenu chrétien, Paris: Albin Michel, 2007.) Pp. viii+248. Cambridge: Polity Press, 2010. £55 (cloth), £17.99 (paper). 978 0 7456 4498 1; 978 0 7456 4499 8 - Murray, Oswyn (The journal of ecclesiastical history, 2011)