This book provides a new introduction to Augustine's City of God and his doctrine of the two cities, sources of this doctrine in Manichaeism, (Neo)Platonism and the pre- Augustinian Jewish and Jewish-Christian traditions.

Johannes van Oort is Professor of Patristics in Nijmegen and Pretoria. He published some 25 books and many scholarly articles, mainly on Augustine and Manichaeism. Among his newly published books are Augustine and Manichaeism in the Latin West (ed., paperback edition, Leiden-Boston: Brill 2012) and Zugänge zur Gnosis (ed., with Chr. Markschies, Leuven: Peeters 2013). Recently he was presented with the Festschrift 'In Search of Truth' Augustine, Manichaeism and Other Gnosticism. Studies for Johannes van Oort at Sixty (Leiden-Boston: Brill 2011).