Book adaptations are always in production in Hollywood (there are 40 coming out in 2015 alone), and we like to stay on top of the hot novels that are being added to the list. This season, there are lots of YA books destined for the big screen, along with sequels like Fifty Shades Darker, Insurgent, and Mockingjay, which will be at the movies soon. Check out our list of timely books to read before they're at your local theater!