Theophylact of Ochrid. Reading the Letters of a Byzantine Archbishop. By Margaret Mullett. Pp. xv + 441. 2 maps. 7 figures. 4 plates. (Birmingham Byzantine and Ottoman Monographs, 2.) Aldershot: Variorum, 1997. ISBN 0 86078 549 1. £49.50 - Shepard, Jonathan (The journal of theological studies, 1999)