The book “Work modes and operation of thermal power plants” by Sergey Alexandrovich Kachan is a unique work that immerses the reader in the world of thermal power plants (TPPs), revealing all aspects of their functioning and operation. This work will become an indispensable tool for both students of technical universities and for practicing specialists in the field of energy, seeking to deepen their knowledge and skills. From the first pages of the book, the author sets a tone that combines a scientific approach and a practical focus. Kachan shares his many years of experience in the energy industry, which gives the text special value It not only describes theoretical aspects, but also illustrates them with examples from real practice, which allows the reader to better understand how TPPs work in different modes. The book covers a wide range of topics, including the basic principles of operation of thermal power plants, their construction, as well as operating modes. The reader will learn how to choose the right mode of operation to achieve maximum efficiency, how to minimize losses and improve the reliability of equipment. Kachan also pays attention to safety and environmental issues, which makes his work relevant in light of the current challenges facing the energy industry. This book will be especially interesting for students and graduate students studying in specialties related to energy, as well as engineers and specialists working on TPPs .. It is suitable for those who want not only to master the theory, but also to get practical recommendations that will help in everyday work. In addition, the book may be of interest to researchers and scientists dealing with issues of energy and sustainable development. The topics raised in the book are not limited to technical aspects. Kachan touches on important issues related to the energy economy, innovation and new technologies, which makes his work relevant for the modern reader. He emphasizes that effective management of thermal power plants is not only a matter of technology, but also a matter of strategic planning, which can significantly affect the economic sustainability of energy companies. The author's style is distinguished by clarity and accessibility, which makes it easy to perceive even the most complex concepts. Kachan uses many illustrations, diagrams and tables, which makes the material more clear and understandable. His approach to presenting information contributes to a deep understanding of the subject and inspires further research in the field of energy. Among other well-known works of Sergey Alexandrovich Kachan, books and articles devoted to the automation of processes at thermal power plants and optimization of their work can be distinguished. His research often becomes the basis for dissertations and scientific works of students and graduate students, which confirms the high level of his expertise. Thus, Modes of operation and operation of thermal power plants is not just a book, but a whole guide to the complex but fascinating world of thermal energy. It will become a reliable assistant for all who seek professional growth in this area, and will help to understand the intricacies of the TPP, which in turn can lead to a more efficient and safe use of energy resources. If you are looking for quality literature on energy, this book should definitely take a place on your shelf.