The book "Tokmin A . M. Heat treatment, structure and properties of tool steels” is a unique publication that will become a real guide for everyone interested in metallurgy, engineering and materials processing technologies. Compiled by a team of authors, this work immerses the reader in the world of tool steels, revealing their heat treatment, structure and physical and mechanical properties. In today's world, where technology is rapidly developing, and requirements for materials are becoming more stringent, knowledge of the properties of tool steels and their processing becomes necessary for specialists in various industries. The book covers a wide range of topics, ranging from the basics of heat treatment to complex aspects of the microstructure of steels. The reader will be able to learn about how different heat treatment methods affect the mechanical properties of steels, which in turn plays a key role in their application in the production of tools and machine parts. This book will be especially interesting for students and teachers of technical universities, engineers and technologists working in the field of mechanical engineering, as well as for anyone who wants to deepen their knowledge in metallurgy. It is suitable for both novice professionals and experienced professionals seeking to update their knowledge of modern methods of steel processing. The topics raised in the book cover not only technical aspects, but also scientific research, making it a valuable resource for those interested in the latest advances in materials science. The book addresses issues related to the influence of alloying elements on the properties of steels, and also considers various heat treatment modes, which allows the reader to understand more deeply how to achieve optimal characteristics for specific tasks. The style of the authors is distinguished by clarity and accessibility, which makes complex technical terms and concepts understandable even for those who are just starting their way in this area. The book is filled with illustrations, graphs, and tables that help visualize information and make the learning process more engaging. The team of authors who worked on this book includes recognized experts in the field of metallurgy and materials science, which gives the publication additional value. Their experience and knowledge allow us to create high-quality and relevant material that will be useful both in educational institutions and in the production environment. If you are looking for books on the topic of heat treatment, structure and properties of steels, pay attention to such works as "Metallurgy and heat treatment of steel" or "Properties and applications of steels", which can also be interesting. The book "Tokmin A . M. Heat treatment, structure and properties of tool steels” will become an indispensable assistant in your professional development and will allow you to confidently navigate in the complex world of metals and alloys. Do not miss the opportunity to deepen your knowledge and expand your horizons in the field of tool steels with this unique edition. The book will become not only a valuable source of information, but also an inspiration for new ideas and projects in your professional activities.