The Book of Jubilees opens with Moses on Sinai — but not the familiar scene of Moses receiving the tablets of the Law. Instead, we see Moses receiving something else: a direct dictation from the Angel of the Presence, who narrates the history of the world from creation to the present day, including events and details that weren't in the written Torah.
This framing device — Moses as the recipient of a second, secret revelation on Sinai — is central to the Book of Jubilees' theology. The idea is that the written Torah is real and authoritative, but it's only part of what God told Moses. The rest was transmitted orally, from Moses to Joshua, from Joshua to the elders, from the elders to the prophets — an unbroken chain of secret tradition alongside the public text.
For modern readers, this might sound like special pleading — a device to give the author's interpretations the authority of Mosaic revelation. But in the context of ancient Judaism, the idea of oral Torah alongside written Torah was mainstream and broadly accepted. The rabbinic tradition, the Essene community, and many others all held that Moses had received more than what was written down.
What Jubilees does is put that oral Torah in writing — or claims to. It tells you what the Sinai revelation said about creation, about the calendar, about the proper observance of festivals, about the history of the patriarchs, about why the Gentiles are organized the way they are. It claims to explain the hidden design behind the visible text.
Whether you read it as history or as theology, Jubilees is one of the most ambitious texts to survive from the ancient world.