Here at the NAS you can view some excellent books about almost anything to do with science. Main link:http://books.nap.edu/ Categories: http://www.nap.edu/browse.html And another page with ALL SORTS of groovy books for download: http://www.tpub.com/Documents/index.htm And one provided by Xev: http://www.quackwatch.com/13Hx/TM/00.html