Books in the Set 8 + Teaching GuideReading Age10+ yrsWord Count4000–4500Themesbravery, self-esteem, bats, conservation, bullying, achievement, siblings, nature, cruelty, working together Josh is a master of pranks, while Hannah is the class brain. Working together in an important school assignment won’t be easy. Bats are smelly and horrible, aren’t they? Finding a colony of bats changes Peter’s thinking. The bats are more than he could ever expect. But will Peter be able to save the colony?