Fans of the 39 Clues books will love The Key, the third entry in Michael Grants middle-grade Magnificent 12 series. Full of adventure and wackiness, the Magnificent 12 books are also perfect for readers of funny, action-filled series like Dan Gutmans Genius Files.With 21 phobias, Mack MacAvoy is more of a wimpy kid than a hero, but he is on a quest to defeat the wickedand crazy, and mean, and dang...