If the past couple years have been any indication, behind every great teen movie is a f**king fantastic book. From blockbuster successes like Harry Potter and The Hunger Games to indie gems such as The Spectacular Now, it's clear that Hollywood is hooked on phonics. The Mortal Instruments: City of Bones, which hits theaters August 21, is the next great YA franchise to make the transition from your local library to the big screen. And if the stunning cast — including Lily Collins, Game of Thrones' Lena Headey, Jonathan Rhys Meyers, Jamie Campbell Bower — is any indication, it's sure to be our next obsession.
But before you buy your ticket, dive into the book that started it all. And while you're at it, get the low down on these 15 books that have been adapted for the screen in the past two years (and are in the works for the year to come).