Didache
The Didache (pronounced "did ah kay") or The Teaching of the Twelve Apostles is an early Christian hand book.[1] It was written in the first or early second century AD. It gives information about Christian ethics, rituals such as baptism and Eucharist, and Church organization.[1]
Didache Media
Philotheos Bryennios, who re-discovered the Didache
Revelation 22:17 (KJV), to which the prayer in Didache 10 bears some similarity.