Book Description: Grand Canyon National Park is one of the planetâ€™s Seven Natural Wonders, with 4.4 million visitors each year. Who keeps them safe, fed, and happy? When the wind blows at White Sands National Monument, legend says the centuries-old ghost of a Mexican maiden appears in the shifting sands. In Yosemite National Park, thereâ€™s a guy who tracks road kill with a clipboard and a shovel to pry flattened victims from the blacktop. This colorful collection goes behind the scenery at Americaâ€™s most popular national parks. It also visits lesser-known parks with thought-provoking tales to tell.