The book "Calculation of low-power collector machines" by Nikolai Ermolin is an indispensable work for everyone who is interested in electrical engineering and mechanical engineering . In it, the author deeply immerses himself in the world of collector machines, offering readers not only theoretical knowledge, but also practical recommendations that can be useful to both students and experienced specialists. From the first pages of the book it becomes clear that Ermolin is not just a theorist, but a practitioner with rich experience. He shares his knowledge of low-power collector machines, which are widely used in various fields, from consumer electronics to industrial plants. The book covers all key aspects, from the basics of design to the calculations necessary to create efficient and reliable machines. What makes this book especially attractive? First, it is an accessible and understandable language of presentation . Ermolin skillfully combines complex technical terms with simple explanations, which allows readers without deep knowledge in the field of electrical engineering to easily absorb material. Secondly, the author uses many examples and illustrations, which helps to visualize theoretical concepts and make them more understandable. The book will be of interest not only to students of technical universities, but also to practicing engineers who want to update their knowledge or master new methods of calculating collector machines. It can also be useful for teachers looking for quality material for their lectures. If you are interested in topics related to electric cars, electric motors or power systems, this publication will be a real find for you. The topics raised in the book are relevant and important for modern society. With the rapid development of technologies and the constant search for effective solutions in the field of energy, understanding of the principles of operation and design of collector machines is becoming increasingly popular. Ermolin not only examines the theory, but also focuses on practical aspects, such as material selection, design optimization, and performance calculation. The author's style deserves a special mention. Nikolai Yermolin is an experienced specialist who knows how to convey his thoughts to the reader so that even the most complex topics become understandable. His previous works also featured a high level of professionalism and clarity of presentation, making him one of the authoritative voices in the field of electrical engineering. If you are looking for books on electrical engineering, machine calculations, or the design of electrical systems, "Calculation of low-power collector machines" will be a great addition to your library. This is not just a textbook, but a real encyclopedia of knowledge that will help you deepen your knowledge and expand your horizons in the world of electrical engineering. In conclusion, the book of Nikolai Yermolin is not just a collection of formulas and calculations, but an exciting journey into the world of collector machines, which will enrich your experience and help you become a real professional in your field. Do not miss the opportunity to get acquainted with this unique work, which will become your reliable companion in the study of electrical engineering