The U.S. Regions: Natural Environment series lets readers discover the fascinating facts behind the environment of the five regions of the United States. Every state is covered in depth, including its main features, landmarks, biomes, and rivers. The state animals, reptiles and amphibians, birds, and plants are also explored. The book concludes with the challenges these regions face and an endangered species spotlight. The in-depth information and interesting facts in this series are bound to engage even the most reluctant readers.