The Heat Balance by Gibbs and Poincaré by B. In. Kozlov is a fascinating and in-depth study that immerses the reader in the world of thermodynamics and statistical mechanics. In it, the author not only explains the basic concepts, but also offers a unique view of the interaction between microscopic and macroscopic processes, which makes it especially valuable for students, graduate students and anyone interested in physics and mathematics. Known for his work in theoretical physics, Kozlov seeks to uncover complex ideas, such as thermodynamic equilibrium, through intuitive examples and mathematical models. He addresses the classical theories of Gibbs and Poincaré, which have become the basis for understanding thermal processes, and offers readers the opportunity to look at these concepts from a new perspective. This is not just a textbook, but a real intellectual odyssey that makes you think about the nature of heat, energy and order in our world. Who can like this book? First of all, it will be of interest to students and graduate students studying physics, chemistry and mathematics . It will also attract the attention of scientists and researchers working in the field of thermodynamics and statistical mechanics. However, do not think that the book is intended only for a narrow circle of specialists .. Thanks to the accessible style of presentation and clear explanations, it can be interesting for those who just want to expand their knowledge in the field of science and understand how the laws of nature work. The topics raised in the book cover a wide range of issues related to thermal processes and their mathematical description. Kozlov explores how systems come to equilibrium, how this equilibrium can be disturbed, and what factors influence its achievement. It also raises questions about entropy and its role in thermodynamics, which is key to understanding many physical processes. The book offers the reader not only theoretical knowledge, but also practical examples, which makes it especially useful for those who want to apply the knowledge gained in real life. Kozlov's style is clear and logical, which allows the reader to easily follow his thoughts and ideas. He skillfully combines theoretical calculations with practical examples, which makes the material more accessible and understandable. In. In. Kozlov is also known for his other works, such as Statistical Mechanics and Thermodynamics in the Modern World, which also deserve attention and can complement understanding of topics dealt with in The Thermal Equilibrium. If you’re looking for a book that will help you understand the laws of thermodynamics and their application, Gibbs and Poincaré’s Thermal Equilibrium will be a great choice. This work will not only expand your knowledge, but will also inspire further research in physics and mathematics. In it you will find not only theory, but also practical aspects that will help you better understand the world around you. So, if you are ready for a fascinating journey into the world of science, don’t miss the opportunity to get acquainted with this wonderful book.