The Mechanical Engineering Volume I-2 . Theoretical Mechanics . Thermodynamics. Heat Exchange" edited by K. In. Frolova is an extensive and in-depth work that will become an indispensable assistant for students, graduate students and practicing engineers in the field of mechanical engineering. This edition covers key aspects of theoretical mechanics, thermodynamics, and heat transfer, making it an important source of knowledge for anyone seeking to master the basics and nuances of this challenging but fascinating discipline. From the first pages, the reader plunges into the world of mechanical systems, where the basic laws of motion, forces and their interactions are studied. K. In. Frolov, with a wealth of experience and deep knowledge, shares with readers not only theoretical foundations, but also practical examples, which allows a better understanding of complex concepts. The book is written in accessible language and contains many illustrations, which makes the material more visual and understandable. The topics raised in the book cover a wide range of issues, ranging from the basics of mechanics to complex thermodynamic processes. The reader will be able to learn about the principles of operation of thermal machines, how heat exchange occurs in various systems and what factors affect the efficiency of these processes. This knowledge will be useful not only for students, but also for specialists working in the field of design and operation of machinery and equipment. The book will be interesting not only for those who study engineering, but also for those who want to better understand the mechanisms underlying the technologies that surround us. It will be an excellent help for students of technical universities, graduate students, as well as for practicing engineers who want to update their knowledge or master new directions in their professional activities. The author's style is distinguished by clarity and logical presentation, which allows the reader to easily absorb the material. K. In. Frolov is known for his work in the field of mechanical engineering and mechanics, and his work is respected among specialists. In this edition, he was able to combine theory and practice, making his work particularly valuable. The Mechanical Engineering Volume I-2 . Theoretical Mechanics . Thermodynamics. Heat Exchange" is not just a textbook, it is a whole encyclopedia of knowledge that will help the reader to understand complex issues related to mechanical engineering. It will be a guide to the world of engineering solutions and technologies that shape our future. If you are looking for a high-quality and in-depth publication on theoretical mechanics and thermodynamics, this work will be an excellent choice. It will not only expand your knowledge, but also inspire new ideas and projects in the field of mechanical engineering. Do not miss the opportunity to get acquainted with this work and discover new horizons in the world of engineering!