The book "Investigation of Electric Machines" by Bykovsky V. In. and Girfanova I. and . is a fascinating and deep immersion in the world of electrical engineering, which will become an indispensable assistant for both students and practicing engineers This publication is not just a textbook, but a real encyclopedia of knowledge, covering a wide range of topics related to electric machines, their theory and practical application. The book examines key aspects of the operation of electric machines, ranging from the basics of their design and principles of operation and ending with modern methods of their research and diagnosis. The authors masterfully explain complex technical concepts, making them accessible to those who are just starting their way in this area. Each chapter is filled with examples from real practice, which allows the reader not only to learn the theoretical material, but also to see how this knowledge is applied in life. The book will be of interest to students of technical universities, graduate students, as well as specialists working in the field of electrical engineering and energy. If you are passionate about technology, want to understand how electric machines work, or want to deepen your knowledge in this area, the “Research of Electric Machines” will become your reliable companion. The authors pay attention to both classical and modern aspects, which makes the book relevant for a wide range of readers. One of the key topics raised in the book is the importance of diagnosing and monitoring the condition of electrical machines. With rapid technological progress and growing demands for reliability and efficiency, the ability to properly assess the condition of equipment is becoming critical. Bykovsky and Girfanov emphasize that knowledge of diagnostic methods not only helps to prevent breakdowns, but also significantly increases the service life of machines, which, in turn, affects the economic efficiency of enterprises. The style of the authors is distinguished by clarity and logical presentation, which makes reading not only useful, but also fascinating. They use many illustrations, graphs and diagrams, which helps to visualize information and facilitates the perception of complex topics. This is especially important in the technical literature, where visibility plays a key role in understanding the material. In addition, it is worth noting that Bykovsky V. In. and Girfanov and . and . experienced specialists in their field, which gives their work additional value. Their previous publications were also highly appreciated by readers and professionals, which confirms their authority in the field of electrical engineering. If you are interested in books such as “Electric Machines” or “Basics of Electrical Engineering”, then this publication will be a logical continuation of your reading. In conclusion, “Exploring Electric Machines” is not just a book, but a whole world of knowledge waiting to be discovered. It will be an excellent help for anyone who wants to understand the intricacies of electric machines and their research. If you are looking for high-quality, informative and up-to-date literature on electrical engineering, then this publication should definitely take a place on your shelf. Do not miss the chance to deepen your knowledge and become an expert in this exciting field!