This title brings readers the history and excitement of the world's attempts at creating aircraft that are part plane and part spaceship. From NASA's space shuttles to Britain's Skylon to Virgin Galactic's Unity, readers learn the developments of the past that have led to the possibility of everyday travelers going where only highly trained astronauts have gone before. Aligned to Common Core Standards and correlated to state standards. A&D Xtreme is an imprint of Abdo Publishing, a division of ABDO.