[January 22, 2013: Cryptome has added more books from the archive, and a discussion of the issues related to how they got the archive. This is the link and it has the most comprehensive list of books that are available from this source on their site. See http://cryptome.org/aaron-swartz-series.htm]
But these books are actually a selection from the larger group of books that Swartz 'liberated' and that Cryptome has supposedly archived. For a complete list, see below:
The first thing I noticed was one of my favorite books, about the Mitochondria by Nick Lane is on this extended list.
A few favorites out of the 40 or so that are posted include: