http://booksbxfx6ciebutmfvorkotgfbwcwp24qpcxyuyen355z4eknxbzuqd.onion/dark/Laden_Kash_-_The_Dark_Web_%C2%B7_Exploration_Of_The_Deep_Web/THE_DARK_WEB_2.html
As mentioned before, this is a no-bullshit guide to exploring the dark web. If you want the history of Tor, the technical details of it, and a step by step installation guide then I won't waste your time here, as all that information is available on the Tor home page or other forum sites.