The book "Heat-Hydraulic Processes in the Active Zones of Water-cooled Reactors" by B. and . Solonina is an in-depth and comprehensive study devoted to the most important aspects of thermal hydraulics in nuclear energy. In the modern world, where issues of energy security and ecology are becoming more and more relevant, this publication is not only a scientific work, but also a practical guide for specialists in the field of nuclear physics, engineers and students of technical universities. Solonin, known for his work in the field of thermodynamics and hydraulics, offers readers a unique look at the processes occurring in the active zones of water-cooled reactors. The book covers a wide range of topics, ranging from the basics of heat transfer to complex models of the behavior of heat carriers in different operating modes. The reader will be able to learn about how temperature and pressure affect the efficiency of reactors, as well as how to correctly calculate parameters to ensure the safe and effective operation of nuclear installations. This book will be of interest not only to professional engineers and researchers, but also to students studying nuclear energy and related disciplines. It will be an indispensable tool for those who want to deepen their knowledge in the field of heat-hydraulic processes, as well as for those who seek to understand how theoretical aspects are applied in practice. In. and . Solonin, with rich experience and deep knowledge, creates an accessible and understandable text that not only informs, but also inspires further research. The topics raised in the book cover not only technical aspects, but also safety issues, which makes it especially relevant in light of recent developments in the field of nuclear energy. The author emphasizes the importance of proper design and operation of reactors, which can significantly reduce the risks associated with accidents. The book also explores current modeling and analysis techniques, allowing readers to better understand how current technologies can be used to improve the performance of nuclear facilities. Style B. and . Solonin is distinguished by clarity and logic, which makes complex concepts more accessible to understanding. His previous works, such as Thermodynamics and Hydraulics in Nuclear Power, have already gained recognition among specialists, and the new book continues this tradition by offering fresh ideas and modern approaches to solving urgent problems. If you are looking for literature on topics related to nuclear power, heat and hydraulics or reactor safety, then “Heat and hydraulic processes in the active zones of water-cooled reactors” will be an excellent addition to your library. This book will not only expand your knowledge, but also help you better understand how modern nuclear reactors function and what challenges this industry faces in the future. Do not miss the opportunity to get acquainted with the work of one of the leading experts in this field, which will certainly be an important step towards understanding the complex processes taking place in the heart of nuclear energy.