Powerful polar bears

"Did you know that polar bears have black skin to soak up the sun's heat? Or that their paws are covered in fur to protect them from the cold and keep them from slipping on ice? These are just a few of the many adaptations that have allowed polar bears to survive in the tundra habitat. In this engaging book, readers will learn all about polar bears, their life cycle, behaviors, and role in the ecosystem. Full-color photographs make the informatio...