Once, airplanes were a modern marvel. Today, they're a commonplace way to reach a distant destination. Sometimes, it's the young, curious minds that ask the best questions: What makes an airplane go--and stay up? This high-interest volume focuses on the mechanics of airplanes through at-level and accessible text, colorful photographs of planes and plane parts, and graphics that visually support key concepts of flight. An energetic, eye-catching design and Did You Know? fact boxes provide more support and interest for the budding aeronautical engineer.