When people go to sleep, bats are just waking up. While young readers may recognize the image of bats in the night skies, where they live may be less familiar. This volume takes readers inside bat roosts to uncover the fascinating facts about this creature. Readers will learn the basics of bat roosts and how they help bats survive in the wild. This text also looks at bat''s appearance, behavior, and the crucial role they play in nature''s ecosystems. These topics are covered in most elementary science curricula. Diagrams, fact boxes, colorful images encourage learning.