The exciting world of aerospace engineering is broken down in this lower-elementary-level title that presents everything aerospace in a well-organized format. The history of aerial navigation is covered, noting key milestones in flight and outer space exploration. Also covered are the crucial technologies humanity has gotten out of aerospace engineering such as weather satellites and GPS navigation. Think About It and Compare and Contrast sidebars invite readers to think critically beyond the text, and a do-it-yourself activity applies the principles explained in the text to the construction of an at-home parachute sure to entertain and educate readers.