The book "Calculation and construction of transformers" by A. and . Goncharuka is a fascinating and in-depth study that will be a real find for anyone interested in electrical engineering and energy. In this work, the author shares his many years of experience, summarizing the knowledge and practical skills necessary for the design and calculation of transformers, which occupy a key place in the power supply system. From the first pages of the book, the reader is immersed in the world of electric transformers - devices that play an important role in the transmission and distribution of electrical energy. Goncharuk not only outlines the theoretical aspects, but also provides the reader with practical recommendations that will help in solving real problems. The book covers a wide range of topics, ranging from the basics of transformers and ending with complex calculations of their parameters. The reader will learn about the different types of transformers, their design features, as well as the principles of their operation and application in various fields. This book will be especially useful for students of technical universities, graduate students and specialists in the field of electrical engineering, as well as for anyone who seeks to deepen their knowledge in this field. If you study electrical engineering, energy or related disciplines, the “Calculation and construction of transformers” will become an indispensable assistant for you. In addition, the book will be of interest to engineers and designers working in the field of development and operation of transformer equipment. The topics raised in the book cover not only technical aspects, but also economic and environmental issues related to the use of transformers. Honcharuk emphasizes the importance of design optimization, which allows not only to improve the characteristics of transformers, but also to reduce the cost of their production and operation. This makes the book relevant in light of current trends towards sustainable development and resource savings. The author's style is distinguished by clarity and accessibility of presentation, which allows the reader to easily assimilate even the most complex concepts. Goncharuk uses many illustrations and examples from practice, which makes the material clear and understandable. His approach to learning is based on the principle of "from simple to complex", which allows the reader to gradually accumulate knowledge and confidently move to more complex topics. In addition to "Calculating and Designing Transformers", A. and . Goncharuk is the author of other well-known works in the field of electrical engineering, which also deserve attention. His books and articles are often cited in scientific and academic circles, which indicates a high level of trust in his knowledge and experience. If you are looking for literature on topics related to the design of electrical machines, the calculation of electrical circuits or the basics of electrical engineering, then “Calculation and design of transformers” will be an excellent addition to your library. This book will not only enrich your knowledge, but also inspire new ideas and projects in the field of electrical engineering. In conclusion, “Calculation and design of transformers” is not just a textbook, but a real encyclopedia for everyone who wants to understand the intricacies of designing transformers. Read, study and apply the knowledge gained in practice, and you will see how your professional life will become more saturated and interesting.