Missing tooth, a hunk of cheese, and white fur are the clues Tully has to solve the latest mystery at Watson Elementary. With the help of the Gumshoe Gang, she sets off to find out who stole CoCo the turtle. But more importantly, why? This latest case comes just when she's planning her birthday party and trying to find out who she really is. Talk about a full plate. These mysteries are perfectly suited to keep readers guessing as they solve for clues. With longer sentences and fewer illustrations, they are just the right fit for your early fluent reader.