Wired Editor Chris Anderson's new and very controversial book "Free: The Future of a Radical Price" is free on his blog:
http://www.thelongtail.com/. Kindle version to be available in a few days (he says). Scribd and google versions on his blog along with free unabridged audio version. This thing is getting reviewed all over the place, for instance Malcolm Gladwell (who disagrees with Anderson):
http://www.newyorker.com/arts/critic...urrentPage=all