What are the three main types of rock? Where are the most unique rock formations found? What does it take to become a geologist? Readers will find the answers to these questions and more in Rocks. Students can discover the fascinating planet we live on as they explore the Earth Science series. Packed with informative charts, diagrams, maps, and sidebars, this series facilitates learning and encourages higher-level thinking. Earth Science is an informative and visually appealing series that will inspire a new understanding of geology and our world.