The story of the early Church and its relations with Pagans, from AD 64 to the peace of the Church in the 4th century. A narration mainly based upon contemporary records and remains. Contents: Introduction; First stages; Nero; The Church in Rome after Nero; Saint John and Polycarp; Ignatius of Antioch; Trajan and Hadrian; Revival of Paganism; Christians under the Antonines; Martyrdoms; After the Antonines; Catacombs of Rome; Inner life of the Church; From Decius to Diocletian; Diocletian; Constantine the Great; From Paganism to Christianity; After the peace of the Church; Appendices.