The book "Thermodynamic properties of air" by Sychev is a fascinating and in-depth study that immerses the reader in the world of thermodynamics and its applications in various fields of science and technology. This work will be a real find for both students and graduate students of technical specialties, and for professionals working in the field of mechanics, aerodynamics and energy. The book details the basic thermodynamic properties of air, such as temperature, pressure, density, and enthalpy. The author masterfully explains how these parameters interact with each other and how they affect the behavior of air masses in different conditions. Sychev not only provides theoretical foundations, but also supports them with practical examples, which makes the material accessible and understandable to a wide audience. The reader will be able to see how thermodynamics is applied to real-world tasks, such as designing aircraft engines or creating heating and air conditioning systems. The book will be especially interesting for those who are fond of physics, engineering and ecology. Students of technical universities will find in it useful materials for preparing for exams and writing term papers, and professionals will be able to update their knowledge and find new ideas for work. If you are looking for information about thermodynamic processes related to air, or want to deepen your knowledge in the field of aerodynamics, this edition will be an indispensable assistant. Sychev raises important topics such as the effect of temperature and pressure on air properties, as well as their role in climate change and ecology. He focuses on how thermodynamics helps us better understand atmospheric processes and their implications for the environment. This book opens new horizons for thinking about how we can use knowledge about the thermodynamic properties of air to solve pressing environmental problems. The author’s style is distinguished by clarity and logical presentation . Sychev skillfully uses graphs and diagrams to illustrate complex concepts, making them more easily understood. His approach to learning is based on the principle of "from simple to complex", which allows the reader to gradually delve into the topic without losing interest and motivation. In addition to "Thermodynamic properties of air", Sychev is the author of other significant works in the field of physics and engineering, which also deserve attention. His books are often recommended as teaching aids for students and practitioners, which confirms the high level of his expertise and the importance of his contribution to science. If you’re looking for a quality thermodynamics literature that combines theory and practice, Sychev’s Thermodynamic Properties of Air is exactly what you need. Discover the world of thermodynamics and learn how the air around us plays a key role in our lives and technology. This book will not only expand your knowledge, but also inspire new research and discoveries in science and technology.