The best mystery books are the ones that keep you guessing until the very end. These suspenseful stories will keep all age groups turning the page, on the hunt for the next clue. From classic kid detectives like Encyclopedia Brown to modern-day murder mysteries for teens, there's something for everyone here. So pick up one of these exciting thrillers and follow the clues until you find your inner detective. And if you're looking for more mysteries to solve, you'll love these Girl Heroes and Detectives and Thriller Books for Teens.