Ask Slashdot Good Online Sources for Free Books? /.
Some links mentioned:
- Project Gutenberg
- Baen Free Library
- Online Books Page From UPenn
Cory Doctorow - Eastern Standard Tribe, A Place So Foreign (and eight more),
Down and Out in the Magic Kingdom
- Lawrence Lessig - Free Culture
- Version Control with Subversion
- An open source math book
- Light and Matter
Here are some more that I've found
- The first edition of the classic Cheswick and Bellovin book Firewalls and Internet Security: Repelling the Wily Hacker is available in its entirety for free online.
- Black Box Voting - Chapter 01 Chapter 02 Chapter 03 Chapter 04 Chapter 05 Chapter 06 Chapter 07 Chapter 08 Chapter 09 Chapter 10 Chapter 11 Chapter 12 Chapter 13 Chapter 14 Chapter 15 Chapter 16 d - Appendix Footnotes Index
- High Energy Physics - Fields
- Also, the National Academies Press says it has over 2,500 books on many different academic topics online for free.
- Open Source Development with CVS