Award-winning science writer Seymour Simon explores the Red Planet through fascinating facts and amazing full-color photographs. Readers will learn about the recent discovery of water, the Valles Marineris-the biggest valley on Mars-the ice caps, recent expeditions, and more. This nonfiction picture book is an excellent choice to share during homeschooling, in particular for children ages 6 to 8. It's a fun way to learn to read and as a supplement for activity books for children. This updated edition includes: author's note stunning full-color photographs glossary index websites and additional reading sources Supports the Common Core Learning Standards, Next Generation Science Standards and the Science, Technology, Engineering, and Math (STEM) standards.