The book “Wet air heat exchange in compact plate-rib heat exchangers” by Alexander Vasilievich Chichindayev is a unique and in-depth study devoted to an important topic that finds application in a variety of fields: from climate engineering to energy . In this work, the author not only describes the theoretical aspects of heat and mass exchange, but also offers practical solutions that can be useful to both specialists and students studying this field. The book discusses the principles of operation of compact plate-rib heat exchangers, which are becoming increasingly popular in modern ventilation and air conditioning systems. Chichindayev shares his knowledge about how humid air interacts with heat exchange surfaces, and how this interaction can be optimized to improve the efficiency of systems. The reader will be able to learn about various factors affecting heat and mass exchange, and how they can be controlled and regulated. This book will be of interest not only to engineers and specialists in the field of heat exchange, but also to students of technical universities who want to deepen their knowledge in the field of thermodynamics and heat exchange. If you study such disciplines as heat engineering, climate engineering or energy, then this work will become an indispensable source of information for you. In addition, the book can attract the attention of researchers working in the field of energy efficiency and sustainable development. The topics raised in the book go beyond a simple description of physical processes. Chichindayev draws attention to the importance of using modern technologies and modeling methods to optimize the work of heat exchangers . It examines the impact of various parameters, such as flow rate, temperature and humidity, on the efficiency of systems, making the book relevant for practitioners seeking to introduce innovative solutions. The author's style is clear and accessible, which allows the reader to easily assimilate complex concepts. Chichindayev uses many examples and illustrations that help to visualize the processes described. This makes the book not only a textbook, but also an interesting reading for those who want to understand the intricacies of heat and mass exchange. Alexander Vasilievich Chichindayev is a well-known specialist in the field of heat exchange and thermodynamics, the author of many scientific articles and research. His work has always been distinguished by a high level of scientific rigor and practical orientation. In "The Heat and Mass Exchange of Wet Air", he continues this tradition by offering readers not only theoretical knowledge, but also practical recommendations that can be applied in real-world conditions. If you are looking for information about modern methods of heat and mass exchange, how to increase the efficiency of ventilation and air conditioning systems, or just want to deepen your knowledge in the field of thermodynamics, then Chichindayev’s book will be a real find for you. It will open new horizons for you in understanding the processes taking place in heat exchangers, and will help you become more competent in your field. Do not miss the opportunity to get acquainted with this fascinating and informative work, which will be a valuable addition to your library.