Credited with predicting the flood and foretelling a second punishment but mentioned only briefly in the Hebrew Bible, Enoch is one of the most intriguing yet little-known characters of ancient Jewish and Christian literature. Genesis devotes just four verses to Enoch; yet this man became a central figure in many of the oldest surviving Jewish legends of apocalypse, the subject of a larger number of traditions during the intertestamental period, and a significant character in early Christian writing. In this examination of ancient references to Enoch and to Enochian themes, James C. VanderKam...