"Onward and, more importantly, upward! This informative text takes readers on a journey up through the layers of Earth's atmosphere, detailing the unique scientific features of each layer and the history of humans exploring these great heights. Fun fact boxes and gorgeous photographs will dazzle even reluctant readers. With graphic organizers and sidebars to illustrate complex concepts, this volume clearly connects key scientific principles about our planet's atmosphere to significant moments in the history of space exploration"--.