The book "The method of perturbations in the problems of elastic-plastic deformation" by A. In. Kovaleva is a unique study that immerses the reader in the complex but fascinating world of mechanics and materials science. This publication will be of particular interest to students, graduate students and specialists in the field of engineering sciences, as well as to anyone who seeks to better understand the processes occurring in materials under the influence of various loads. In his book, Kovalev invites readers to consider the perturbation method as a powerful tool for analyzing elastic-plastic deformation. This method, based on mathematical models and physical principles, allows you to solve problems that have traditionally been considered complex or even insoluble. The author shares not only theoretical foundations, but also practical examples, which makes the material accessible for perception and application. The book covers a wide range of topics, including the basic principles of the mechanics of a deformable solid, the features of elastic-plastic behavior of materials and methods of numerical modeling. Kovalev emphasizes the importance of understanding the interaction between various factors, such as temperature, pressure and deformation rate, which allows more accurate prediction of the behavior of materials in real-world conditions. For whom is this book intended? First of all, it will be useful for students and graduate students of technical specialties studying the mechanical properties of materials . Engineers and scientists involved in the design and analysis of structures will also find a lot of useful information in it. The book may be interesting to those who are simply interested in physics and mathematics, seeking to learn more about the application of these sciences in real life. The topics raised in the book go beyond purely theoretical research. Kovalev raises important questions regarding the stability of materials, their durability and reliability in various operating conditions. In today's world, where the requirements for materials and structures are becoming more stringent, understanding these aspects becomes especially important. The book helps the reader to understand how scientific research can influence practical applications, improving quality of life and safety. Style A. In. Kovalev is distinguished by the clarity and logic of the statement . He skillfully combines scientific rigor with accessibility, making his work appealing to a wide audience. Kovalev is also the author of other well-known works in the field of mechanics and materials science, which have earned recognition both in scientific circles and among practicing engineers. His approach to learning and research, based on a deep understanding of the subject and a desire for innovation, makes his books important sources of knowledge. If you are looking for literature that will help you to understand the complex aspects of mechanics and materials science, "The method of perturbations in the problems of elastic deformation" will be an excellent choice. This book will not only expand your knowledge, but also inspire you to new research and discoveries. Do not miss the opportunity to immerse yourself in a world where science and practice are intertwined, opening up new horizons for your professional growth.