The On-Line Books Page lists books that are available in their entirety on the Net without charge. Sites that require registration for free access are eligible for listing if they respect user privacy, and allow users to opt out of unwanted email (while still having access to the site). Such sites also need to provide clear statements about these issues.
The information above was believed accurate as of 27 March 2001. Please notify onlinebooks@pobox.upenn.edu if any changes are warranted.