The book "Fundamentals of the theory of friction and wear" under the authorship of a team of authors, among which the name A. is distinguished. A. Shaykhadinova is an important and relevant work for everyone interested in mechanics, engineering and physics of materials. This work immerses the reader in the world of friction and wear, revealing the complex mechanisms that are behind these phenomena, and their impact on various aspects of technology and technology. The book discusses the basic principles of friction theory, including its types, patterns, and factors influencing this process. The authors analyze in detail the mechanisms of material wear, which makes this work an indispensable tool for students, graduate students and specialists in the field of mechanical engineering, materials science and related disciplines. If you are a technical student or a professional working in the field of machine design and operation, then this book will become a real guide for you on complex issues related to friction and wear and tear. One of the key topics raised in the book is the effect of friction on the efficiency of machines and mechanisms. The authors not only describe theoretical aspects, but also give practical examples, which allows the reader to better understand how theoretical knowledge is applied in real life. This makes the book especially valuable for engineers and designers who seek to optimize their designs and improve their reliability. In addition, the "Fundamentals of the Theory of Friction and Wear" discusses modern methods of studying friction and wear, including experimental and numerical approaches. This allows the reader to get acquainted with the latest achievements in this field and understand how new technologies can be used to solve actual problems. The book also addresses issues of ecology and sustainable development, emphasizing the importance of selecting materials and technologies that minimize negative environmental impacts. The style of the authors, like the book itself, is clear and accessible. They strive to bring complex scientific concepts to a wide audience, which makes the material understandable even for those who are just beginning to get acquainted with the topic. This is certainly one of the merits of this work. In addition, the team of authors includes experienced specialists, which gives the book additional value and authority. If you are looking for literature that will help you to better understand the mechanisms of friction and wear, as well as their practical application, the "Fundamentals of the theory of friction and wear" will be an excellent choice. This book will not only expand your knowledge, but also inspire further research and development in the field of mechanics and materials science. In conclusion, “Fundamentals of the theory of friction and wear” is not just a textbook, but a real find for anyone who wants to master the most important aspects of mechanics. It will be interesting for both students and professionals who want to improve their skills. Do not miss the opportunity to immerse yourself in the fascinating world of friction and wear and tear that this book opens before you.