What is the next generation of reading? Adult e-book reader ownership doubled in the United States between November 2010 and May 2011 from 6% to 12%, according to a June 2011 Pew Internet & American Life Project survey. Librarians understand the need to provide the material their patrons want via the medium their patrons desire. The e-book medium, however, is relatively new, and it is taking librarians and publishers time and practice to understand how to incorporate e-books into library collections.