The book "Fundamentals of the theory and construction of transmissions" by A. In. Bezlyudko is a fascinating and deep dive into the world of mechanics and engineering, which will become a reference book for students, graduate students and practicing engineers interested in the design and analysis of transmissions. This publication not only highlights theoretical aspects, but also offers practical solutions, making it an indispensable resource for anyone who wants to understand how the mechanisms that transmit motion and power work. In his book, Bezlyudko explores the basic principles of transmissions, starting with the simplest mechanisms and ending with complex systems used in modern cars and industrial machines. The author pays special attention to mathematical models and calculations, which allows the reader not only to assimilate the material, but also to apply it in practice. The book is filled with examples, illustrations and tasks that will help consolidate the knowledge gained and develop analytical thinking. Who can like this book? First, it will be useful for students of technical universities studying mechanical systems, as well as graduate students working on projects in the field of mechanical engineering . Second, practicing engineers who want to update their knowledge and become familiar with current trends in transmission design. Also, the book may be of interest to lovers of technology and mechanics, who seek to understand more deeply how the mechanisms that they use in everyday life are arranged. The topics raised in the book cover a wide range of issues related to the design and analysis of transmissions. Bezlyudno considers not only theoretical aspects, but also practical applications, which makes the book especially valuable. It discusses the impact of various factors on the efficiency of transmissions, such as friction, wear and vibration, and suggests methods for minimizing them. This knowledge is essential for engineers working to create more reliable and efficient mechanisms. The author's style is clear and accessible, which allows the reader to easily assimilate complex concepts. Manless skillfully combines theory with practice, which makes his book not only informative, but also fascinating. He is also known for his other work in the field of mechanics and mechanical engineering, which confirms his authority in this field. If you are looking for books on mechanics, the theory of machines and mechanisms, or want to deepen your knowledge in the field of transmissions, the "Fundamentals of the theory and construction of transmissions" will be a real find for you. This is not just a textbook, but a real encyclopedia that will help you understand the complex mechanisms and learn how to apply theoretical knowledge in practice. Read, explore and discover the amazing world of engineering with A. In. Manless!