Enoch is mentioned in the OT Book of Genesis and the NT Book of Jude. In 2 Corinthians 12:2-4 Paul says he was taken up into heaven.  In the Apocalypse of Paul, an angel takes Paul to heaven and introduces him to Enoch.  The Book of Enoch is widely considered the most quoted source in the NT.  In the last 200 years much more information has been found.  Enoch's writings are in the Dead Sea Scrolls.  Early Christian Church Fathers Irenaeus and Tertullian considered the Book of Enoch to be scripture. The Book of Enoch was rediscovered by the Scottish explorer James Bruce in September 1769.  Other manuscripts of Enoch have been found.  It contents, generally divided into five sections, (1) Book of Watchers, (2) the Similitudes, (3) the Astronomy Book, (4) Book of Dreams, and, (5) Epistle of Enoch.  The contents are fascinating.