People and animals have shared the planet for thousands of years, but unfortunately, human behavior can seriously threaten species' survival. This title examines this important concept, giving readers a close-up look at the animal species that are currently classified as endangered. Readers will learn about animals' habitats and behavior how those things are affected by human activity. The text boasts a clear call to action, aimed to inspire readers to get involved in saving Earth's endangered animals. Fact boxes and highly detailed photographs reinforce the concepts in the text, which is written to support elementary science curricula.