The Theory of Heat Treatment of Metals, edited by B. C. Bironta is an indispensable work for all who are interested in metallurgy, engineering and materials processing technologies. This edition collects knowledge and research that will help the reader to better understand the processes that occur with metals during heat treatment, as well as their impact on the properties and characteristics of materials. This book is intended for students and graduate students of technical universities, as well as for practicing engineers and specialists in the field of metallurgy and mechanical engineering . If you are passionate about topics related to the physics of materials, thermodynamics or processing technology, the Theory of Heat Treatment of Metals will become a real treasure for you. It will be useful for both beginners and experienced professionals seeking to update their knowledge and master new approaches in the field of heat treatment. The book examines key aspects of metal heat treatment, such as quenching, annealing, normalization, and other processes that play an important role in the formation of metal properties. The authors explain in detail how different temperatures and treatment modes affect the structure and mechanical characteristics of metals, which allows the reader not only to understand the theoretical foundations, but also to apply them in practice. An important part of the publication are examples and illustrations that make the material more accessible and understandable. The topics raised in the book cover a wide range of issues, ranging from the basics of thermodynamics to modern heat treatment techniques such as laser quenching and heat treatment using plasma. These aspects make the book relevant and in demand in the rapidly developing metallurgical industry, where new technologies and processing methods require constant updating of knowledge. The style of the authors is distinguished by clarity and accessibility, which makes it easy to assimilate even the most complex concepts. In. C. Biront and his team are experienced professionals who are not only theorists, but also practitioners, which makes their work especially valuable. They are also known for their other work in the field of metallurgy, which confirms their authority in this field. "The theory of heat treatment of metals" is not just a textbook, but a whole guide that will be useful throughout the career of an engineer or student. The book can be used both to prepare for exams and to solve specific production problems. It will be an excellent addition to the library of any specialist working in the field of materials science or engineering. If you are looking for information about heat treatment of metals, then this book will become your reliable assistant. It will help you not only to understand the theory, but also to learn how to apply the knowledge gained in practice, which will certainly increase your qualifications and competitiveness in the labor market. In conclusion, "The Theory of Heat Treatment of Metals" is a must-read for anyone who wants to deepen their knowledge in the field of metallurgy and heat treatment. Due to its content and style of presentation, the book attracts attention and leaves a desired mark in the hearts and minds of readers. Do not miss the opportunity to get acquainted with this outstanding work, which will open up new horizons for you in the world of metals and their processing technologies.