Put on your hiking boots and get ready to explore mountains, canyons, coastlines, and more! This series takes readers on a trip to some of the most popular national parks in the United States. Along the way, leveled text and crisp photographs introduce the formation, human history, animals, and activities of each park. Special features include animal profiles, diagrams, maps, lists of top sites, and more. Each book concludes with a full-spread list of stats, an animal food web, and a timeline!.