https://en.wikipedia.org/wiki/2_Enoch
The Second Book 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 cosmology of 2 Enoch corresponds closely with beliefs of the Early Middle Ages about the metaphysical structure of the universe. It may have been influential in shaping them. The text was lost for several centuries, then recovered and published at the end of the nineteenth century. The full text is extant only in Church Slavonic, but Coptic fragments have been known since 2009. The Church Slavonic version itself represents a translation from an earlier Greek version.
Some scholars attribute 2 Enoch to an unidentified Jewish sect, while others regard it as the work of first-century Christians. Some consider it a later Christian work. It is not included in either the Jewish or the Christian canon.
2 Enoch is distinct from the Book of Enoch, known as 1 Enoch, and there is also an unrelated 3 Enoch. The numbering of these texts has been applied by scholars to distinguish each from the others.