Chaos Theory is a very good book. I read it all in one sitting and it was just a phenomenal work. I would also recommend For a New Liberty by Murray Rothbard.
What is the best case for a state that you've heard in regards to the economy? I've been told that the state is needed in order to: 1) Protect private property 2) Protect basic rights so the mob doesn't rule you 3) Public goods (like paying for defense since if everyone thinks everyone else...