How does a bat use its fingers to help it fly? How can a bat sleep hanging upside down without falling on its head? How can a bat swoop through total darkness without running into things? Why do some bats have extremely long tongues? Why do some kinds of bats gather by the thousands inside caves and old mine tunnels? Outside and Inside Bats answers all these questions and many others. With stunning color photographs of different kinds of bats and clear, accessible text, Sandra Markle invites children to learn all about these unique and fascinating creatures. Curious young readers will delight in this close look at bats -- from the outside in!