3 different books with a Revelationy atmosphere.
1 Enoch: The big one, the cool one, the one that mattered. The beginning, the book of watchers, is the most interesting part. With the story of fallen angels, Nephilim, heavenly realms, and divine judgement. Enoch, for a smart guy, was against accumulation of knowledge. Also 1 Enoch has a lot of messianic prophecies about the son of man; more than any Old testament book. It has an astronomy section too. I didn't know the sun and the moon were the same size till Enoch told me. Then it has an animal farm-esque dream covering all of history. Plus a weird tale of the birth of Noah, who was apparently albino.
2 Enoch: Enoch tours the circles of heaven (described in Dante-esque style). Some of the circles really suck. He comes back for 30 days to tell the tale then reascends. Later Melchizedek, the mysterious type of Christ, is virgin birthed.
3 Enoch: Enoch has now been promoted to Metatron, the Decepticon angel. Then it talks about how angel x bowed down to angel y, and angel y bowed down to angel z, and angel z bowed down to angel food cake and so on. Then it says holy holy holy a lot, which is hilarious in the AI read audiobook because the AI tries to vary its speech patterns, leading to a fantastic variety of holy holy holys. This was easily the weirdest of the 3 books.