The book "Construction of external heat networks" by B. Barishpolov is an indispensable source of knowledge for all who are interested in modern technologies in the field of heat supply and energy. In this work, the author shares his many years of experience and deep knowledge, which makes him an ideal guide for both students and practicing engineers, architects and designers. The book focuses on the design and construction of outdoor heating networks, which play a key role in providing a comfortable microclimate in residential and commercial buildings. The author examines in detail all the stages of creating such systems, starting from the choice of optimal materials and ending with the issues of operation and maintenance. In. Barishpolov focuses on modern methods, technologies and standards, which allows the reader to be aware of the latest trends in the field of heat supply. The book will be especially interesting for those who study engineering specialties, as well as professionals working in the field of energy and construction. If you are a technical student or a young specialist seeking to deepen your knowledge, this publication will become a real guide for you. Experienced engineers will find in the book useful tips and recommendations that will help to optimize their projects and increase efficiency. The topics raised in the book cover a wide range of issues related to the design and construction of thermal networks. The author discusses the importance of the correct choice of routes, pipeline laying technologies, as well as issues related to thermal insulation and corrosion protection. In. Barishpolov also touches on aspects of economic feasibility and environmental safety, which makes the book relevant in the modern world, where sustainable development and environmental care become priorities. The author's style is distinguished by clarity and accessibility of presentation, which allows even complex technical aspects to be perceived easily and with interest. In. Barishpolov is not only an experienced engineer, but also a talented teacher who knows how to convey important ideas and concepts to the reader. His other well-known works are also devoted to energy and construction issues, and they are popular with professionals in the field.[citation needed] The book "Construction of outdoor thermal networks" is not just a textbook, but a real find for anyone who wants to understand the intricacies of designing and operating thermal networks. It will be useful for both undergraduate and graduate students, as well as for experienced professionals who want to update their knowledge and skills. If you are looking for information about modern heat supply technologies, effective design and construction methods, as well as trends in the field of energy, this publication should definitely take place on your shelf. In conclusion, it is worth noting that book B. Barishpolov is not just a collection of theoretical knowledge, but a practical guide that will help you become an expert in the construction of outdoor thermal networks. Do not miss the opportunity to enrich your knowledge and skills by immersing yourself in the fascinating world of engineering and heat supply.