Crocodiles are known as ancient predators of the waterways, but there is much more to discover about these remarkable reptiles. This high-school nonfiction title gives readers an in-depth look at the social structure, carnivorous diet, impressive anatomy, and diverse habitats of these powerful, semi-aquatic apex predators. Also featured are critical species conservation efforts and the crocodile's complex relationship with humans throughout history, including hunting pressures and habitat protection programs. Captivating photos and intriguing facts are accompanied by detailed sidebars, a comprehensive glossary, selected bibliography, relevant websites, and an index.