No, I'm not joking, and no, I'm not on drugs.
Pride & Prejudice & Zombies is a real book. It's a mashup of Jane Austen's classic Pride & Prejudice with the addition of some elements of modern zombie fiction. The book itself is a rather odd read, especially if you're familiar with the original.
The movie is now
confirmed, and Natalie Portman is reported to be starring in it.