"The substantial letter collection of the late Roman bishop, philosopher, theologian, poet, orator, and ascetic Gregory of Nazianzus offers invaluable insights into the ways in which the later Roman empire worked. Among Gregory's large network of correspondents were governors, rhetoricians such as Libanius, fellow-bishops, and many influential friends. Moreover, Gregory's letters complement the contemporary collections of Basil of Caesarea, Gregory of Nyssa, Libanius, and the emperor Julian. They are, in sum, a vital source for the history, culture, literature, administration, and theological evolution of the later Roman Empire. Bradley K. Storin has now translated the entire collection into an elegant English, for the first time and not a moment too soon. This is a wonderful and most welcome gift to scholars and everyone else interested in Gregory of Nazianzus and his times."—Susanna Elm, author of Sons of Hellenism, Father of the Church: Emperor Julian, Gregory of Nazianzus, and the Vision of Rome