The Book of Enoch is a book claiming to be written by Enoch. He was the great-grandfather of Noah and son of Jared in the Bible. However, scholars consider it to be Pseudepigrapha. It is not part of the Bible canon and only the Ethiopian Orthodox Church says it is part of the Bible. The Book is an old Hebrew text, likely written in the 2nd century BC, and contains material on the origins of demons and giants, why some angels fell from heaven, an explanation of why Noah's Flood was morally necessary, and a description of the thousand-year reign of the Messiah. It is interesting to many Christians because the ninth verse of the first chapter is quoted in the Epistle of Jude 1:14-15.