The book "Theory and transitional processes of electromagnetic devices and electromechanical energy converters" by B. A. Denisova is a unique work that immerses the reader in a world of complex but fascinating processes related to electromagnetic devices and energy conversion. This publication will become an indispensable assistant for students, graduate students and specialists in the field of electrical engineering and energy, as well as for everyone who is interested in modern technologies and their application in various fields. In this book, the author examines in detail the theoretical foundations of electromagnetic devices, including their principles of operation and key characteristics. Particular attention is paid to the transient processes that occur in these devices, which is an important aspect for understanding their functioning and optimization. In. A. Denisov not only explains the theory, but also offers practical examples, which makes the material accessible and understandable even for those who are just starting their way in this field. The book will be of interest not only to students of technical universities, but also to professionals working in the field of development and operation of electromechanical systems. Engineers, researchers and teachers will find here a lot of useful information that will help them in scientific and practical activities. It can also attract the attention of technology lovers who seek to understand more deeply how electromagnetic devices work and what processes occur during their operation. The topics raised in the book cover a wide range of issues, ranging from the basics of electromagnetic theory to modern methods of analysis and design of electromechanical converters. The author emphasizes the importance of understanding transition processes that can significantly affect the efficiency and reliability of devices. This knowledge is especially relevant in the context of the rapid development of technologies and the need to improve energy efficiency. Style B. A. Denisov is distinguished by clarity and logical presentation, which allows the reader to easily assimilate complex concepts. He skillfully combines theoretical aspects with practical examples, which makes the book not only a textbook, but also an interesting reader for anyone who wants to expand their knowledge in the field of electrical engineering. In addition, the author has extensive experience in the scientific field and is the author of several other significant works, which confirms his competence and authority in this field. If you are looking for a book that will help you better understand electromagnetic devices and their transients, then "Theory and transients of electromagnetic devices and electromechanical energy converters" is exactly what you need. It will not only be a useful teaching tool, but also a source of inspiration for future research and development. Read, explore and discover the world of electromagnetic technologies, which is certainly of great importance in the modern world.