A basic exploration of the appearance, behavior, and habitat of beavers, nature's swimming engineers. Also included is a story from folklore explaining why beavers slap their tails. This popular and newly expanded series continues traveling the planet to study these and other fascinating animals. Beautiful photos are paired with accessible text to examine the featured creature's appearance, habitat, behaviors, and life cycle. Each book also presents a folk story that people have used to help explain the animal's appearance or behavior.