Oh man, sometimes the internet really does something that just warms my heart and makes up for all of the spam emails I get about enlarging my penis and wiring money to Nigeria...
http://www.gutenberg.org/cdproject/
Project Gutenberg has assembled 17,000 books on CD and DVD and is giving them away for free - and even encouraging others to copy and give them away for free. Request a CD from them and they will send you two - just to make sure you have a spare to give away. Man, this really rocks with goodness...