This book offers a survey of the doctrine of justification as taught by Christ and His Apostles, and in the Apostolic Fathers, the earlies of the Christian teachers following Jesus' immediate disciples, including: Clement of Rome, Ignatius of Antioch, Polycarp of Smyrna, Justin Martyr, and Irenaeus, the Epistle of Barnabas, the Didache, the Shepherd of Hermas, etc.