The book: The Stonecutter by Camilla Läckberg (No. 3 in the Fjällbacka series)
The hook: If you've read The Girl With the Dragon Tattoo, you know that those Scandinavians have some sort of dark magic when it comes to creating crime thrillers, and this is no exception. All the books in this series incorporate chapters that give you insight into some unknown, usually sinister character, and in this one you get a historical story alternating with the modern-day investigation of a murdered little girl found in the water.
Fear factor: Whenever kids are involved, you can bet the story is going to be both sad and disturbing, and this book has a creepy edge to it.