The textbook "Engineering Illumination Optics" offers a comprehensive and practical examination of lighting optics, ranging from fundamental principles to real-world applications. It addresses the mathematical and physical calculations necessary for the design of lighting systems and provides a solid understanding of the radiometric foundations as well as the essential concepts of lighting optics. Readers are equipped to understand the interactions between light sources and specific optical elements. The book includes necessary calculation methods and formulas that serve as a foundation for efficient lighting design. With numerous exercises based on real problems, it becomes an ideal self-study tool and reference work to deepen practical skills. Written by a team of highly qualified authors, it covers a wide range of topics, including angles, light sources, and the principles of optics.