Here are some facts about 1Enoch the book and Enoch the man.

Ethiopic Enoch = 1Enoch
1Enoch is the oldest. 2 and 3 Enoch are later works.
Enoch was the seventh descendent of Adam and Eve in the Bible.
Enoch "walked with God. Then he vanished and God took him." (Genesis 5:24)
Enoch was the son of Cain and Ramona, and he led the Nodites.
Enoch was the first mortal fused with his thought adjuster.
There are three parts to 1Enoch.
The New Testament was significantly influenced by 1Enoch.
Many early Church fathers were inspired by 1Enoch.

The Book of Enoch was an inspiration to Jesus. The title "Son of Man" was taken from the Book of Enoch. Of all scripture the Book of Enoch "was nearest to the truth" regarding Jesus’ identity and mission as assessed by Jesus himself.

Enoch is said to have been taken away by God, saw the secrets and mysteries of the universe, the future of the world, and the predetermined course of human history (Biblical literature).

1Enoch was found among the Dead Sea Scrolls pushing its date of origin back to at least 100-200 BC (except for part 2).  Part 2, the Similitudes, is the part containing all the references to the Son of Man and is the only part not yet found among the Dead Sea Scrolls.  Therefore, its dating is unsure (? pre-Christian or not).

Many copies of 1Enoch were found among the Dead Sea Scrolls. 1Enoch was probably one of the most authoritative and popular scriptures of the Qumran Community.

After the fourth century A.D. 1Enoch was apparently suppressed as heretical by the Church due to its references to the physicality of the fallen angels who were said to have had sexual relations with the ‘daughters of men.’

The entire Book of Enoch not discovered again until 1773. It was brought to Europe from Ethiopia.
The book survived as a whole only in Ethiopia. Why? Was it destroyed by the church?

1Enoch is directly quoted in Jude and 2Peter of the New Testament in reference to danger of a perverted form of Christian belief which claimed that it was only necessary to have faith. The overriding concern of these two New Testament books is that the believer feels that he or she is
otherwise above the biblical laws and commandments. This belief mainly took the form of sensual and sexual indulgence. Jude and 2Peter reject such licentiousness and state that the fate of such believers will be like the angels or "Sons of God" who sinned by descending from heaven and having intercourse with daughters of men.  (See Genesis 6:1-4). The story of these "fallen angels" is discussed in 1Enoch.

Since many readers probably have not read 1Enoch, I would like to present at some length the
parts that are revelant to our present discussion, along with some commentary as we proceed.

The 1Enoch text quotes, unless otherwise indicated will be taken from The Book of Enoch, from
the Ethiopic, literally translated by Richard Laurence, LL.D., Archbishop of Cashel, Late
Professor of Hebrew in the University of Oxford, 1882. The biblical references in parentheses
are part of the translation and are not my comments. These references are Biblical verses that are
felt to be related to 1Enoch by the Archbishop.

Parts of 1Enoch are written specifically for the sake of those who elect God’s will during the
time of trouble, in the "distant" messianic period, now about to begin.

1Enoch 1:3 Upon their account I spoke and conversed with him, who will go
                     forth from this habitation, the Holy and Mighty One, the God of the world.