1 Enoch

Ancient Jewish apocalyptic religious text, ascribed by tradition to the patriarch Enoch who was the father of Methuselah and the great-grandfather of Noah. The Book of Enoch contains unique material on the origins of demons and Nephilim, why some angels fell from heaven, an explanation of why the Genesis flood was morally necessary, and a prophetic exposition of the thousand-year reign of the Messiah.

The Second Book of Enoch (abbreviated as 2 Enoch and also known as Slavonic Enoch, Slavic Enoch, or the Secrets of Enoch) is a pseudepigraphic text in the apocalyptic genre. It describes the ascent of the patriarch Enoch, ancestor of Noah, through ten heavens of an Earth-centered cosmos. The Slavonic edition and translation of 2 Enoch is of Christian origin in the 8th century but is based on an earlier work.

Some scholars attribute 2 Enoch to an unidentified Jewish sect, while others consider the book used heavily by a christian heretical group aka Bogomils.

The Book of the Palaces, The Book of Rabbi Ishmael the High Priest and The Elevation of Metatron, and abbreviated as 3 Enoch) is a Jewish apocryphal book.   IMO, ...there are things in Enoch's letter, and other pseudepigrapha, that are worth knowing. Saintified Jude does quote Enoch, and there are references all throughout the New Testament of quoting Second Temple Judaism literature plus non-Jewish literature. Even the parable of the rich man and Lazarus references the geography of the underworld in Enoch's vision. This is indicative of traditions and teachings that are valid even if the whole work is not entirely (orthodox) correct. A lot of Enoch and Jubilees is concerned with the Enochic calendar, which the Church rejects, as an example of invalid information. These pseudepigrapha are best understood as documents preserving some pre-Christian Jewish traditions from different sects, and can be useful for understanding the context in which the Apostles, their disciples, and the later Councils shaped New Testament writings.