The book "Gas Dynamics of Gas Turbine and Combined Installations" by B. Bekneva is a fascinating and in-depth study that opens the world of modern energy technologies to the reader. In his work, the author immerses us in the complex processes taking place in gas turbine and combined installations, focusing on gas dynamics - a key element that determines the efficiency and reliability of these systems. In. Beknev, with rich experience and deep knowledge in the field of thermodynamics and energy, offers readers not only theoretical calculations, but also practical examples that make the material accessible and understandable. The book will be of interest to both energy professionals and technical students seeking to deepen their knowledge in this important area. It will become an indispensable tool for engineers working with gas turbine plants, as well as for researchers engaged in new technologies in the energy sector. One of the central themes of the book is the analysis of the processes occurring in gas turbines, as well as their impact on the overall efficiency of the plants. Becknev examines various aspects such as thermodynamic cycles, energy losses and ways to minimize them, making the book relevant for those interested in optimizing the operation of energy systems. An important aspect is also the discussion of new technologies, such as combined cycles, which can significantly increase efficiency and reduce emissions of harmful substances. The book "Gas Dynamics of Gas Turbine and Combined Installations" is distinguished by its scientific approach and the availability of presentation . The author skillfully combines complex scientific concepts with practical examples, which allows the reader not only to understand the theory, but also to see its application in real conditions. This makes the book especially valuable for those who want not only to study the theory, but also to apply the knowledge gained in practice. Beknev's style is clear and logical, which helps the reader easily follow the author's thoughts. His previous work is also noteworthy, as it covers a wide range of topics related to energy and engineering. Readers familiar with his previous publications will appreciate this book, as it continues the tradition of in-depth analysis and practical approach to complex issues. The topics raised in the book are relevant not only for professionals, but also for a wide audience interested in modern technologies and their impact on the environment. In the context of global climate change and the need to switch to cleaner energy sources, Beknev’s work is becoming especially important. It raises issues of sustainability and resource efficiency, making the book relevant for anyone who cares about the future of our planet. Thus, the Gas Dynamics of Gas Turbine and Combined Units is not just a textbook, but a real find for everyone who wants to understand the complex processes taking place in modern energy systems. This book will become a reliable assistant for students, engineers and researchers seeking new knowledge and practical skills in the field of gas dynamics and energy. Do not miss the opportunity to immerse yourself in the world of high technology and discover new horizons with the help of B. Bekneva .