"Polar bears and penguins may like cold weather but they live at opposite ends of the Earth. What do these animals have in common and how are they different? You might see them together at a zoo but they would never be found in the same habitats in the wild. Compare and contrast these polar animals through stunning photographs"--

Award-winning author Katharine Hall is a life-long nature lover and avid reader. She hopes the Compare and Contrast series will help children use critical thinking skills to explore and learn about the natural world around them. In addition to Mammals, Katharine's other titles in this series include Polar Bears and Penguins (NSTA/CBC Outstanding Science Trade Book and IRA Children's and Young Adults' Book Award for Primary Non-Fiction), Amphibians and Reptiles, Clouds, and Trees. Katharine and her husband live in South Carolina with their dogs and cats.