A new criminal in Pawston is stealing priceless works of art, but Rider, busy with an old friend, may not be able to prevent the theft of the Bona Lisa.

Walker Styles grew up reading kids’ books, so it makes sense that he’s writing them now. And when he isn’t writing books, he’s out solving mysteries around the city of Manhattan, where he lives. Just the other day, he lost the book he was reading. Following all the clues, Walker deduced the couch ate it! (Well, the book was under the couch cushions. Still, mystery solved!).