Found this in Publisher's Weekly.  It breaks down the cost of production for a printed book versus an ebook.  Interesting.  Especially if you're a corporate tycoon looking at the bottom line. Ebooks apprear to be more profitable.     http://www.resourceshelf.com/2010/03/01/how-much-does-it-cost-to-produce-an-ebook-vs-a-printed-book/