The book "Radio Optics and Holography" by Alexander Sergeevich Klyuchnikov is a unique textbook that immerses the reader in the exciting world of radio physics and radio engineering. This publication is intended for students and teachers of physical, radiophysical and radio engineering specialties of universities, but it will also be of interest to anyone who seeks to better understand the principles of working with radio waves and their interaction with the environment. The book deals with the basic concepts of radio optics and holography, which are important elements in modern scientific and technological progress. The author shares his knowledge and experience, explaining complex physical phenomena in accessible language. He focuses on how radio waves can be used to transmit information, create images, and even in medicine. The reader will be able to learn about the principles of operation of various radio devices, as well as how holography opens new horizons in data visualization. The topics raised in the book cover a wide range of topics, from the basics of radiophysics to practical applications of holographic technologies. Klyuchnikov not only outlines the theoretical foundations, but also offers practical examples, which makes the material more clear and understandable. This manual will be an indispensable assistant for students who are preparing for exams, as well as for researchers who want to expand their knowledge in the field of radio engineering. The book will be interesting not only for students, but also for teachers who are looking for high-quality educational materials for their courses. It will also be suitable for professionals working in the field of radio physics, radio engineering and related disciplines who want to update their knowledge or get acquainted with new achievements in this field. Readers who are passionate about science, technology and innovation will find much useful information and inspiration in this guide. Klyuchnikov's style is distinguished by clarity and logical presentation. He is able to explain complex things in simple language, which makes his books available to a wide audience. In his work, there is a deep understanding of the subject, as well as the desire to convey knowledge to the reader. Among other well-known works of the author are “Fundamentals of Radiophysics” and “Modern Methods of Radio Technical Research”, which also earned recognition in the scientific environment. “Radio optics and holography” is not just a textbook, but a real find for everyone who is interested in radio engineering and its applications. The book is able to arouse interest in science and inspire further research. If you are looking for a high-quality and informative guide to radio physics, then this publication will be an excellent choice. Do not miss the opportunity to immerse yourself in the world of radio optics and holography together with Alexander Sergeyevich Klyuchnikov - your guide to the world of science and technology!