"Electronic and Quantum Microwave Devices" by Leonid Mikhailovich Andrushko and Nikolay Dmitrievich Fedorov is much more than just a textbook—it's a valuable resource for students and professionals in radio communication and electronic communications. This comprehensive work makes a significant contribution to educational literature, covering a wide range of topics related to cutting-edge technologies used in radio systems and quantum electronics. The book explores key aspects of designing and applying electronic and quantum devices operating in the microwave frequency range. The authors carefully analyze both theoretical foundations and practical applications, making complex concepts accessible even to those just beginning their journey in this challenging yet fascinating field. Readers will delve into the world of advanced technology, learning about the principles behind various devices, their characteristics, and their areas of use. Who will find this book useful? Primarily, it is intended for university students studying "Multichannel Communications," "Radio and Broadcasting," as well as for graduate students and young professionals eager to deepen their knowledge of radio engineering and electronics. However, more experienced engineers working in the field will also benefit, especially those looking to update their understanding of new technologies and methods employed in modern microwave devices. The topics covered are diverse and highly relevant. The authors discuss not only the theoretical basis of microwave device development but also practical aspects such as measurement techniques and diagnostics. Special attention is given to quantum technologies, which are becoming increasingly important in today’s world. Readers will learn about the latest advancements in quantum electronics and explore future prospects for their application in innovative developments. The authors’ style is clear and accessible, making it easy for readers to grasp complex ideas and concepts. Leonid Mikhailovich Andrushko and Nikolay Dmitrievich Fedorov are experienced educators and researchers with numerous publications and scientific contributions. Their previous works also focus on radio engineering and electronics, establishing them as authors capable of conveying complex ideas to a broad audience. This edition will be valuable not only for students and specialists but also for anyone interested in modern technologies and their evolution. "Electronic and Quantum Microwave Devices" is an excellent addition to the library of anyone who wants to stay up-to-date with the latest trends in radio communication and quantum electronics. If you're looking for a textbook that helps unravel the complexities of microwave technology or expand your knowledge of quantum devices, this publication will be your reliable companion. Don’t miss the chance to immerse yourself in the exciting world of high-tech innovations and discover new horizons in radio communication and electronics!