Earth – (PDF/EPUB Version)

Our planet has inspired a sense of awe since the dawn of humankind, and scientists are learning more about it every day. Even if you’re not a scientist, pick up the new Earth QuickStudy® guide and get your research started. This guide is packed with interesting facts and explanations, from Earth’s location in space to its inner core, and written with a perfect balance of science, real-world examples, and fun facts.