Mouse Poop or Bat Poop?

There are mysterious droppings in the attic! Is it mouse poop or bat poop? In this appealing and educational book, readers are the detectives. They'll uncover clues about the identity of the animal in the attic while learning more about mice and bats, including what they eat and some of their behaviors. They'll apply their knowledge to discover the culprit, all while learning some key elementary science concepts.