American bison are an icon of the American West, but they nearly disappeared forever. American Bison reveals the importance of America's national mammal to the West, how hunting in the 1800s nearly led to its extinction, and how people are using science to save the species. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards.