It feels rare these days to see a movie that's completely original and not based on real life, a book, or another movie from the past. Ahead, you'll find a few of those, but they're mixed in with a slew of movies that are, in fact, based on books. The question is, can you identify them? There might be a few surprises hidden in here that you might not have known about. Take the quiz and see how well you do!
Image source: Everett Collection