The next great leap for jet propulsion will be to power-sustained, efficient flight through the atmosphere. "Hypersonic Airbreathing Propulsion presents the first comprehensive, unified introduction to all elements of the scramjet engine that will make this feat possible. The text emphasizes fundamental principles, guiding concepts, analytical derivations, and numerical examples having clear, useful, insightful results. "Hypersonic Airbreathing Propulsion is completely self-contained, and comes with HAP software, an extensive array of PC-based, user-friendly computer programs that enable the student to reproduce all results. Based on a great deal of original material, the text includes over 200 figures, 5 color plates, and 130 homework examples. Physical quantities are expressed in English and SI units throughout.