I dont know if that's what you are looking for (probably not
), but here are a couple of free Physics ebooks (pdf | htm?):
http://www.motionmountain.net/
http://www.lightandmatter.com/
Few good resources:
http://en.wikibooks.org/wiki/Main_Page
http://beta.legaltorrents.com/books
Also, if you'll tell us where your interests lie, we might be able to help you more accurately.