In simple yet engaging language, acclaimed science writer Melissa Stewart showcases twelve types of North American frogs, from the wood frog to the now rare Oregon spotted frog. Her clear narrative shows the threats these frogs face, and informative sidebars describe a wide variety of efforts to save them. In addition, remarkable full-color illustrations vividly and accurately depict the frogs within the ecosystems that support their survival. This nonfiction picture book is part of a prize-winning series designed to inform young readers about a wide range of environmental issues and to present ways people can help protect animals and their natural habitats.