until we can get publishers to pay heed, students are happily renting books. Chegg has seen tremendous growth for its rentals. Also, there are open source book

until we can get publishers to pay heed, students are happily renting books. Chegg has seen tremendous growth for its rentals. Also, there are open source books http://www.marketwatch.com/story/chegg-partners-with-openstax-college-and-20-million-minds-to-provide-open-source-etextbooks-2013-01-09 http://www.marketwatch.com/story/chegg-partners-with-opensta...