We’re living in a golden age of young-adult literature, when books ostensibly written for teens are equally adored by readers of every generation. The 12 Most Interesting Upcoming YA Movies. Last month, fans of District 13 dove into the ultimate Hunger Games Complete 4-Film Collection, which contains over 14 hours of bonus content and gives fans the chance to experience the whole story front-to-back. The young adult book-to-movie adaptation trend is anything but new. As John Green’s Paper Towns hits theaters Friday, check out some of the best books .