I came across this today-- "Tales from the Public Domain: BOUND BY LAW" (http://www.law.duke.edu/cspd/comics/index.html). (Free as a digital version, available for purchase in print.) It's primary focus is copyright and fair use in documentary film-making, but it still has a lot of basic information on copyright that may be of interest.
Enjoy!
Julie
Great stuff. Thanks Julie.
-Eric