Even though it is invisible, Earth's atmosphere plays a critical role in sustaining all life on Earth. Young readers can learn all about this important feature of our planet with this intriguing title. It covers the atmosphere's formation, the gasses it consists of, its layers, and its role in weather formation. The curriculum-aligned content is enhanced by a fact box on every page that either defines a key term, offers an opportunity for critical thinking, or explores a way to compare and contrast the content. Complete with vivid images on every spread, this title is sure to help young readers build a lasting understanding of the atmosphere's important role in their everyday lives.