The Mechanical Engineering Volume II-1 Testing of Metal Materials, edited by K. In. Frolova, is an important work in the field of engineering and materials science, which will be of interest to both students and professionals working in this field. This volume is part of an extensive publication devoted to various aspects of mechanical engineering, and focuses on testing metal materials - a key element for understanding their properties and behavior in various operating conditions. In "Mechanical Engineering Volume II-1" the authors consider in detail the test methods that allow us to evaluate the mechanical and physical characteristics of metals. This includes both traditional methods, such as stretching and compression, and modern approaches using high-precision technology. The book immerses the reader in the world of experimental research, demonstrating how test results can influence the choice of materials for various designs and mechanisms. The reader will learn how to conduct tests correctly, interpret the data obtained and apply them in practice. This book will be especially useful for students of technical universities, graduate students and young professionals seeking to deepen their knowledge in the field of materials science and engineering. It may also be of interest to experienced engineers and researchers who want to update their knowledge about modern test methods and new materials. If you are looking for information on how to correctly assess the strength and reliability of metal structures, then this volume will become an indispensable assistant. The topics raised in the book cover a wide range of issues related to metal material testing. The author emphasizes the importance of accuracy and reliability of the results, emphasizing that the safety and efficiency of the final product depend on it. The book also touches on the issues of standardization of tests, which is especially important in the context of globalization and international cooperation in the field of mechanical engineering. Style K. In. Frolova is distinguished by clarity and logical presentation, which makes complex technical aspects accessible to understanding. He skillfully combines theory with practical examples, which allows the reader not only to assimilate the material, but also to apply it in practice. Frolov is the author and editor of many other works in the field of mechanical engineering, and his experience and knowledge make this book a valuable resource for anyone interested in this topic. If you are looking for a literature on metal material testing that combines theoretical foundations and practical recommendations, "Mechanical Engineering Volume II-1 Metal Material Testing" will be an excellent choice. This book will not only expand your horizons, but also help you become a more competent specialist in the field of mechanical engineering. Do not miss the opportunity to get acquainted with this important work, which can become the basis for your professional growth and development. Read, study and apply the knowledge gained in your practice - and you will see how they will help you achieve new heights in the world of mechanical engineering