The book "Train calculations for electric traction (constant current)" by G. A. Beam is an indispensable work for anyone interested in electric transport, especially in the context of the use of direct current. In this edition, the author is deeply immersed in the world of electric traction, offering readers not only theoretical foundations, but also practical aspects that will help to better understand how electric transport works. The main theme of the book is traction calculations, which are key for the design and operation of electric vehicles. The author examines in detail various aspects related to the calculation of thrust, including the influence of various factors, such as resistance, power and speed. The reader will be able to learn how to correctly calculate the parameters to ensure the efficient and safe operation of electric machines. G. A. Luchai uses many examples and tasks, which allows not only to assimilate the material, but also to apply it in practice. This book will be interesting not only for students and graduate students of technical specialties, but also for practicing engineers working in the field of electric transport. It will be a useful tool for those who seek to deepen their knowledge in the field of electric traction and to master the skills necessary for successful work in this dynamically developing field. The book can also attract the attention of specialists involved in the design and modernization of electric transport systems, as well as those who are interested in new technologies in the field of energy. The topics raised in the book cover a wide range of issues related to the electric traction system. The author discusses not only theoretical aspects, but also practical problems that engineers may face in the process of work. An important aspect is also the influence of environmental factors on the design of electric machines, which makes the book relevant in light of current trends towards sustainable development and carbon footprint reduction. Style G. A. Light is clear and accessible. He skillfully combines complex technical terms with comprehensible explanations, making his work available to a wide audience. The author is also known for other works in the field of electrical engineering, and his experience in this field is felt on every page. Readers familiar with its previous editions can expect the same high level of quality and informativeness from this book. If you are looking for a book that will help you understand the intricacies of electric traction and learn how to carry out traction calculations, “Train calculations for electric traction (constant current)” is exactly what you need. This edition will become not only a textbook, but also a reference book for everyone who seeks professional growth in the field of electric transport. Do not miss the opportunity to immerse yourself in the fascinating world of electric traction and discover new horizons of knowledge!