The book "Coefficient inverse problems of mechanics" by A. About. Vatulyana is a fascinating and in-depth study in mechanics that attracts the attention of both students and professionals working in related fields. If you are interested in mathematical modeling, physics or engineering, this work will be a real discovery for you. Vatulyan immerses the reader in the world of coefficient inverse problems, which are complex mathematical problems that require not only theoretical knowledge, but also a practical approach. The book covers a wide range of topics, ranging from the basics of mechanics to modern methods of solving inverse problems. The author shares his unique views on the problem, exploring how mathematical methods can be used to find unknown parameters in mechanical systems, which is key for many engineering applications. Readers who are already familiar with such works as “Inverse Problems of Mathematical Physics” or “Methods for Numerical Solution of Equations in Private Derivatives” will find in Vatulyan’s book not only a continuation of their knowledge, but also new, fresh ideas. This book will be an excellent addition to the library of any student or specialist in mechanics, physics, applied mathematics and engineering. The topics raised in the book range from theoretical foundations to practical applications, making it a versatile guide for those who want to deepen their knowledge of mechanics. Vatulyan touches on important aspects such as parameter identification, numerical methods and their application to real-world problems. He also discusses the influence of various factors on mechanical systems, which allows the reader to better understand how theory relates to practice. The author's style is a combination of strict scientific accuracy and the availability of presentation. Vatulyan is able to explain complex concepts in a simple and understandable language, which makes his work accessible to a wide audience. He not only shares his knowledge, but also inspires readers to further explore the topic. This quality makes his work valuable for both students and experienced professionals who want to update their knowledge. The book “Coefficient inverse problems of mechanics” is not just a textbook, it is a real find for everyone who wants to understand the intricacies of mechanics and mathematical modeling. It raises important questions about how we can use mathematical methods to solve real-world problems, making it relevant in light of modern scientific and engineering challenges. If you are looking for literature that will help you deepen your knowledge in the field of mechanics, this book will become your reliable companion. It will be useful for both students and professionals working in scientific and engineering fields. Do not miss the opportunity to discover the world of coefficient inverse problems and learn how they can change your understanding of mechanics and its application in real life.