The Mechanical Engineering . Encyclopedia, Volume 2-1: Physical and Mechanical Properties. Materials Testing" edited by K. In. Frolova is an indispensable guide for anyone interested in the deep aspects of mechanical engineering and materials science . This volume, like the entire series, is an extensive study that covers key aspects of the physical and mechanical properties of materials used in mechanical engineering and their test methods. The book discusses in detail the different types of materials, their characteristics and behavior under the influence of various loads and conditions. The reader will be able to immerse himself in the world of mechanical testing, learn about methods for determining strength, rigidity, plasticity and other important parameters that are critical for the design and production of machines and structures. Each section of the book is written taking into account modern scientific achievements and practical applications, which makes it relevant and useful for both students and experienced specialists in the field of mechanical engineering. This book will be of interest primarily to students and graduate students of technical universities, as well as engineers and researchers engaged in the development of new materials and technologies. If you are passionate about engineering, materials science or just want to deepen your knowledge in these areas, "Engineering. The encyclopedia will be a real find for you . In addition, it will be useful to those who work in related fields such as construction, automotive and aerospace industries. The topics raised in the book cover a wide range of issues, ranging from the basics of mechanics to complex experimental methods. The reader will be able to learn about how various factors, such as temperature, humidity and load speed, affect the physical and mechanical properties of materials. Particular attention is paid to test methods, including static and dynamic tests, which provide accurate data on the behavior of materials in real-life conditions. Author and editor style, K. In. Frolova is distinguished by clarity and accessibility, which allows even complex technical concepts to be explained in simple and understandable language. This makes the book not only a scientific source, but also a fascinating reading for anyone who wants to understand the intricacies of materials science. K. In. Frolov is known for his work in engineering and materials science, and his experience and knowledge give the book added value. If you are looking for literature on topics such as “physical and mechanical properties of materials”, “materials testing in mechanical engineering”, “material science” or “engineering sciences”, then this encyclopedia will be an excellent addition to your library. It will not only expand your knowledge, but also help you apply the knowledge gained in practice, which is especially important in a rapidly developing industry. In conclusion, “Engineering . Encyclopedia, Volume 2-1: Physical and Mechanical Properties. Testing Materials is not just a book, but a treasure trove of knowledge that will help you become an expert in the field of materials science and engineering. Do not miss the opportunity to enrich your knowledge and skills by immersing yourself in this fascinating and important world!