When I skimmed through it back then, I was surprised that it was well written, and that it struck of Frank Herbert's prediction of a future jihad against technology.
http://cyber.eserver.org/unabom.txt
Not an easy read, but skimming through the section titles will give an idea of what he was railing against. Maybe an easier read is the wiki on him:
http://en.wikipedia.org/wiki/Theodore_Kaczynski
I wonder if he ever read FH books?
