Polar bears are known for their white fur and ferocious roars, but there is much more to discover about this beloved animal. This high-school nonfiction title gives readers an in-depth look at the life cycle, diet, anatomy, and habitat of these powerful Arctic predators. Also featured are species conservation efforts and the animal's relationship with humans throughout history. Captivating photos and intriguing facts are accompanied by sidebars, a glossary, selected bibliography, websites, and an index.