This edited collection focuses on the Roman empire during the period from AD 337 to 361. During this period the empire was ruled by three brothers: Constantine II (337-340), Constans I (337-350) and Constantius II (337-361). These emperors tend to be cast into shadow by their famous father Constantine, the first Christian Roman emperor (306-337), and their famous cousin Julian, the last pagan Roman emperor (361-363). The traditional concentration on the historically renowned figures of Constantine and Julian is understandable but comes at a significant price: the neglect of the period between the death of Constantine and the reign of Julian and of the rulers who