Polar bears are often a favorite animal to see at the zoo. In nature, they're one of the most important species in the Arctic. Readers of this engaging book will learn about these amazing animals and what makes them such a crucial part of their ecosystem. Colorful photographs grab readers' attention, while informative and accessible text provides additional information and reinforces key topics from the elementary science curriculum. This high-interest topic will attract budding zoologists and reluctant readers alike.