The book “Physical foundations of power semiconductor devices” by Vladimir Chelnokov is a fascinating and deep immersion in the world of semiconductor electronics, which will be of interest to both students and professionals in the field of electrical engineering and electronics .. In this work, the author offers readers not only theoretical knowledge, but also practical aspects that will help to better understand how power semiconductor devices, such as transistors, diodes and thyristors, work. From the first pages of the book, Chelnokov establishes the connection between physical principles and their application in modern technologies. He explains how semiconductors, with their unique properties, have become the basis for the creation of effective and reliable devices that are used in a variety of fields - from consumer electronics to high-voltage systems. The reader will be able to learn about how various factors, such as temperature, voltage and material structure, affect the operation of semiconductors, which will certainly be useful both for students studying physics and electrical engineering, and for engineers working in this field. The book will be of particular interest to those who want to deepen their knowledge of semiconductor physics and their applications in real-world devices. Students of technical specialties, graduate students and young specialists in the field of electronics will find in it not only theoretical information, but also practical examples that will help to consolidate the acquired knowledge. In addition, the book can be useful to experienced engineers who want to refresh their knowledge or understand new technologies that are actively being introduced into the industry. The topics raised in the book cover a wide range of issues, ranging from the basics of semiconductor physics to modern trends in the development of power devices. Chelnokov pays special attention to such aspects as the efficiency, reliability and resistance of devices to external influences. It also addresses the challenges engineers face in the design and operation of power semiconductor devices, making the book relevant and useful for practical applications. The author's style is distinguished by clarity and accessibility of presentation, which allows even complex concepts to be explained in simple and understandable language. Chelnokov masterfully combines theory with practical examples, which helps the reader not only to assimilate the material, but also to see its application in real life. His previous work has also earned attention in the scientific community, and this book is no exception. Chelnokov is the author of many articles and textbooks that have become the basis for many students and specialists in the field of electronics. If you are looking for a book that will help you understand the basics of power semiconductor devices and their application, "Physical fundamentals of power semiconductor devices" will be an excellent choice. It will not only expand your knowledge, but also inspire new ideas and projects. Readers interested in topics such as electronics, semiconductor physics, electrical engineering and modern technology will find in this work a storehouse of information that will help them in their studies and professional activities. Do not miss the opportunity to immerse yourself in the world of semiconductor electronics together with Vladimir Chelnokov and discover new horizons in the field of power devices!