The book "The Theory of Heat Treatment of Metals", created by the team of authors, is an important and in-depth study in the field of metallurgy, which will become an indispensable tool for both students and professionals working in this field. It collects knowledge that will help readers understand the complex processes of heat treatment, their impact on the properties of metals and alloys, as well as practical aspects of the application of this knowledge in industry. The book focuses on the basic principles of heat treatment, including quenching, annealing, normalization and other methods that are used to improve the mechanical properties of metals. The authors explain in detail how temperature, cooling time and speed affect the structure and characteristics of materials. This knowledge is key for engineers and technologists working in industries such as mechanical engineering, aircraft manufacturing, and construction, where the reliability and durability of materials are critical. The book will be of particular interest to students of technical specialties, graduate students and young professionals who seek to deepen their knowledge in the field of materials science and metallurgy .. It can also attract the attention of experienced engineers who want to update their knowledge and get acquainted with modern approaches and technologies in heat treatment. Readers interested in the science of materials will be able to find a lot of useful information in it that will help them better understand how different processing methods affect the final properties of products. One of the key themes of the book is the relationship between theory and practice. The authors not only present the scientific foundations of heat treatment, but also share practical examples and cases from real life, which makes the material more accessible and understandable. Readers will be able to see how theoretical knowledge is applied in practice, which greatly increases the value of the book as a teaching aid. The style of presentation of the authors is clear and logical, which makes it easy to assimilate even the most complex concepts. Each section of the book is accompanied by illustrations, graphs and tables that help to visualize the material and better understand the key points. This makes the book not only informative, but also easy to learn. The book The Theory of Heat Treatment of Metals also touches on current trends and advances in metallurgy, including new technologies and methods that are actively being introduced into the industry. Readers will be able to learn about the latest research and development, which will allow them to stay up to date with current changes and innovations in their field. If you are looking for literature on topics related to heat treatment, metallurgy or materials science, this publication will be a real find for you. It will not only expand your knowledge, but also help you better understand how to choose and apply metal processing methods depending on the requirements for the final product. Thus, the Theory of Heat Treatment of Metals is not just a book, but a whole world of knowledge waiting to be discovered. It will become a reliable companion in your professional development and a source of inspiration for new ideas and projects. Do not miss the opportunity to immerse yourself in the fascinating world of metallurgy with this unique publication!