This textbook offers an introduction to the field of rocketry from first principles to and understanding of the topic that generates excitement and invigorates students to become the next generation of rocket scientists. It presents a carefully developed approach to rockets and basic science concepts that provides students with a background for space propulsion applications. Instructors using this text can start form page 1 and work through the book with students to achieve an understanding of real world applications of the basic principles of rocketry, as well as how they were derived. Pedagogical tools include numerous worked-out examples, chapter problems, and an instructor's manual with solutions and teaching suggestions.