The book “The Theory of Machines and Mechanisms”, written by the author’s team consisting of Frolov, Popov and Musatov, is a deep and comprehensive study of the basics of designing and analyzing machines and mechanisms. This publication will become a real treasure for students, graduate students and specialists in the field of mechanical engineering, as well as anyone who is interested in mechanics and its applications in modern technology. From the first pages, the authors immerse the reader in the fascinating world of mechanical systems, revealing not only theoretical aspects, but also the practical application of knowledge. The book covers a wide range of topics, ranging from the basic principles of the mechanisms and ending with complex calculations and modeling. The reader will be able to learn how different mechanisms interact with each other, how they can be optimized to improve efficiency and reliability, and how modern technologies affect the development of this field. For whom is this book intended? First of all, it will be of interest to students of technical specialties studying at the faculties of mechanical engineering, mechanics and robotics . But not only them: practical engineers working in the production sector will also find a lot of useful information in it. The book is suitable for those who want to deepen their knowledge of mechanical systems, as well as for those who are just beginning their journey in this fascinating field of science. The topics raised in the book cover many aspects, such as kinematics, dynamics, theoretical foundations of design, as well as modern methods of analysis and synthesis of mechanisms. The authors emphasize the importance of understanding not only the theory, but also the practical aspects, which makes the book especially valuable for future engineers. They emphasize that knowledge of the basics of mechanics is not just a set of formulas, but the key to a successful career in the engineering field. The style of the authors is distinguished by clarity and accessibility of presentation, which allows the reader to easily assimilate complex concepts. Frolov, Popov and Musatov use many illustrations, diagrams and examples from real practice, which makes the material clear and understandable. This publication not only educates, but also inspires, encouraging the reader to further study and research. The book "The Theory of Machines and Mechanisms" can also be of interest to those who are fond of the history of science and technology. The authors do not forget to mention significant achievements in the field of mechanics, which allows the reader to evaluate the evolution of knowledge and technology. This creates additional context and deepens the understanding of the subject. If you are looking for information about the design of machines, mechanisms and their application in various industries, then this publication will be an indispensable source for you. Not only will it enrich your knowledge, but it will also help you develop the critical thinking and analytical skills you need to succeed in the engineering field. Thus, the Theory of Machines and Mechanisms by Frolov, Popov and Musatov is not just a textbook, but a real encyclopedia of mechanics that inspires and teaches. If you want to deepen your knowledge in this area or just wonder how the mechanisms around us work, this book will become your faithful companion in the world of engineering.