The Unabomber's pre-capture Manifesto is here. It's terrifying, strange, humorous, and makes an interesting psychological study. It's especially noteworthy how often Mr. Kaczynski clarifies his points throughout the 232 notations in the document:

23. We emphasize that the foregoing does not pretend to be an accurate description of everyone who might be considered a leftist. It is only a rough indication of a general tendency of leftism.