Hilary of Poitiers was Bishop of Poitiers and is a Doctor of the Church. He was sometimes referred to as the "Hammer of the Arians" and the "Athanasius of the West." His name comes from the Latin word for happy or cheerful.

Considered by many to be the final and crowning work of the patristic age, St John of Damascus' On the Orthodox Faith addresses all the major areas of Christian belief: Trinitarian theology, Christology, soteriology, the sacraments, the veneration of icons, saints, and relics, and much more. This new translation by Norman Russell includes a helpful introduction discussing the origin and reception of the text. This diglot edition, reproducing the critical Greek text on the facing page, is sure to become the standard and classic edition of this central and important patristic work.

A thorough analysis of St. Cyprian's writing style and use of language, this study is invaluable for the student of the saint. Comparison with contemporary writers and careful attention to grammatical and linguistic elements mark this useful study of an important figure of early Christianity.