This paperback edition of and essential Brill reference book includes Books II and III of the Panarion. This volume is chiefly concerned with the sects contemporary with Epiphanius, the Arian, Manichaean and others. It thus describes the thought of the fourth century church, and includes a number of source documents, many of them found only here. Frank Williamsn offers the only full translation of Epiphanius in a modern language.