is the definitive edition of St. Augustine's fourth book of , the book that deals with rhetoric and its uses in Christian discourse. The edition of contains both the original Latin and Sister Tèrèse Sullivan's brilliant translation. An introduction discusses the historical importance of . Seven seminal essays written during the last seventy-five years provide representative discussions of the important topics of . The volume includes a detailed, synoptic outline of all four books, with a conclusion by Amy K. Hermanson that synthesizes Augustine's rhetorical theory in a religious context. This is the only edition of its kind. It will remain the standard for a long time to come.