It makes we wonder why "The Book of Enoch" was not included in the Bible. Yes there are contradictions BUT some passages mentioned in Jude are from the Book of Enoch! Once again, this would pose a problem (re:the archangels) for the Jehovah's Witnesses if the book were included in the NWT.
http://www.realdevil.info/dig1.htm
Jude passages compared to Book Of Enoch passages
"Enoch the Seventh from Adam prophesied" Jude 14, Enoch 60:8
"dry springs" Jude 12, Enoch 48:1,96:6 dried up fountains
"waterless clouds" Jude 12 (Enoch 18:5,41:4-5,100:11-12)
"reserved for blackest darkness" Jude 13 (Enoch 21:3 "darkness shall be their dwelling" Enoch 46:6)
"trees without fruit" Jude 12 (Enoch 80:3)
"plucked up" Jude 13 (Enoch 83:4)
"raging waves" Jude 12 (Enoch 101:3-5)