Heat and Mass Exchange . At 2 p.m.. H. 1" by Boris Mikhailovich Khrustalev is a unique publication that will become an indispensable assistant for students, graduate students and specialists in the field of heat and mass exchange . In the first volume, the author is deeply immersed in the theoretical foundations and practical aspects of the processes associated with the transfer of heat and mass, which makes his work relevant both for the educational process and for scientific work. From the first pages of the book, Khrustalev sets the tone, which combines the rigor of the scientific approach and the accessibility of the presentation. He does not just list formulas and theories, but seeks to convey to the reader the essence of the processes that occur in nature and technology. Readers interested in physics, chemistry and engineering will find in this work a lot of useful information that will help them better understand complex phenomena such as convection, thermal conductivity and diffusion. The book is addressed to a wide range of readers: from students of technical universities to practicing engineers and researchers. If you study at the Faculty of Thermal Power Engineering, Chemical Technology or Mechanical Engineering, then this publication will be your faithful companion in the study of the discipline. It will also be useful for those who are interested in modern technologies in the field of heat exchange and mass exchange, as well as for those who want to deepen their knowledge in this area. The topics raised in the book cover a wide range of issues: from the basics of thermodynamics to complex calculations in the field of heat exchange. Khrustalev focuses on the practical application of the theory, which makes the material especially valuable for future engineers. It considers real examples and tasks, which allows the reader not only to learn the material, but also to learn how to apply it in practice. The style of the author is distinguished by clarity and logical presentation, which makes reading fascinating and informative. Boris Mikhailovich Khrustalev is a well-known scientist and teacher who has many publications and teaching aids behind him. His work has always been distinguished by a high level of scientific rigor and practical orientation. Other well-known works of the author are also devoted to the issues of heat and mass exchange, which confirms his deep knowledge in this area. Heat and Mass Exchange . At 2 p.m.. H. 1" not only enriches the reader with theoretical knowledge, but also develops critical thinking, allowing him to comprehend complex processes occurring in the world around him. It will be an excellent addition to the library of anyone who aspires to professional growth in the engineering field. If you are looking for literature that will help you understand the intricacies of heat and mass transfer, or want to expand your knowledge in the field of engineering sciences, then this publication is exactly what you need. Do not miss the opportunity to immerse yourself in the world of science together with Boris Mikhailovich Khrustalev and discover new horizons in the study of heat and mass exchange!