19 Dark YA Fantasy Books That Will Give You Chills This Fall

Kristina Cashore's Graceling is all about creating the darkest mood possible. The book's heroine, Katsa, has a special gift — killing — and she uses her skill to serve justice to the king's enemies. However, she soon learns that there is more to her gift than she knows, and it's up to her to not only discover her true self, but also to save the Seven Kingdoms.