The book "Technical thermodynamics: a textbook for university students studying in the direction of training of certified specialists "Tep" by Vladimir Ivanovich Konovalov is an indispensable resource for students and teachers studying thermodynamics in the context of heat engineering . This textbook was the result of many years of experience of the author in the field of teaching and research, and its purpose is not only to convey knowledge, but also to develop students' critical thinking and practical skills necessary in professional activities. Konovalov masterfully combines theory and practice, which makes his book especially valuable for those who seek to understand the complex concepts of thermodynamics. The textbook deals with the basic laws of thermodynamics, thermodynamic cycles, properties of substances and their behavior in various conditions. The author not only presents the material, but also offers many examples, tasks and practical tasks that help to consolidate the knowledge gained. The reader will be able to see how thermodynamics is applied in real engineering tasks, which makes the study of this discipline more exciting and meaningful. The book will be of interest not only to students studying in the direction of "Heat engineering", but also to anyone who wants to deepen their knowledge in the field of physics and engineering. Students of technical universities, graduate students, as well as practicing engineers working in the field of energy, engineering and other related disciplines, will find in this textbook a lot of useful information. It will also be a great help for teachers who want to update their teaching materials and make classes more interactive and informative. The topics raised in the book cover a wide range of issues, including thermodynamic processes, heat transfer, operation of thermal machines and much more. Konovalov emphasizes the importance of understanding thermodynamic principles for the development of efficient energy systems and technologies, which is especially relevant in the modern world, where environmental issues and energy efficiency are becoming increasingly important. The book emphasizes the need to integrate theoretical knowledge with practical skills, which makes it especially relevant for future specialists. The style of Vladimir Ivanovich Konovalov is distinguished by clarity and accessibility of presentation, which allows even complex concepts to be presented in an understandable and logical form. He actively uses graphics, diagrams and illustrations, which contributes to better assimilation of material. In addition, the author shares his experience and practical examples, which makes reading not only useful, but also fascinating. If you are looking for a high-quality textbook on thermodynamics that will help you not only to prepare for exams, but also to understand the subject more deeply, then Konovalov’s Technical Thermodynamics will be an excellent choice. This book will not only enrich your knowledge, but will also help you develop skills that will be useful in your future career. Do not miss the opportunity to get acquainted with the work of one of the leading experts in the field of thermodynamics and heat engineering!