Cable customers can enjoy some of the most popular books turned movies in the new Books to Movies category on Movies On Demand. Customers can access over 30 popular titles including J.K. Rowling's Harry Potter series, Cressida Cowell's How to Train Your Dragon , and Rick Riordan's Percy Jackson & the Olympians: The Lightening Thief, by tuning to the Movies On Demand channel, clicking on " Enjoy Better " and selecting " Books to Movies ".