http://www.turnstyle.org/FreeCulture/
I have been listening to the audion book while at work and I must say that I have learned a lot. It gives a very good discussion of the past and potensial future of copyright law with a detailed look into the effects of the current laws.
I really reccomend you take a look or listen to this. It is pretty long and very involved but if you have the stamina for it you will come out with a great deal of very important information.
Take a look and let me know what you think.
If you have an interest in the man you can check out his site, and even read his blog.
http://www.lessig.org/
Dan @ Code Town