In this June 5, 2012, photo, a customer reads a book by the Espresso Book Machine, known as Opus, at Politics and Prose bookstore in Washington. Self-publishing has been made easier since the machine by On Demand Books debuted in 2006. The machine also can makes copies of out-of-print editions. The first machine was installed briefly at the World Bank?s bookstore. Through a partnership with Xerox, the company now has machines in about 70 bookstores and libraries across the world including London; Tokyo; Amsterdam; Abu Dhabi, United Arab Emirates; Melbourne, Australia; and Alexandria, Egypt. (AP Photo/Jacquelyn Martin)