Details of Machines and the Basics of Design . The study of structures and the definition of the main parameters of gearboxes” under the authorship of a team of authors, including a well-known specialist Sergei Nikolayevich Samosenko, is an important work that will be of interest to both students of technical universities and practicing engineers. This work immerses the reader in the world of mechanics, where every detail plays its unique role in the creation of complex machines and mechanisms. This book examines in detail the basic designs of machine parts, including gearboxes, which are key elements in mechanical systems. The reader will be able to learn about the principles of reducers, their classification and application in various industries. The book not only explains the theoretical aspects, but also offers practical tasks, which makes it an ideal tool for studying and securing material. The topics raised in the book cover a wide range of issues, such as material selection, load calculation, and strength analysis. This knowledge is necessary for the creation of reliable and efficient machines, which makes the book especially relevant in the conditions of modern production. With rapid technological progress and increasing demands on the quality and reliability of machines, understanding the basics of design becomes not only useful, but vital. The book will be interesting not only for students, but also for those who already work in the field of mechanical engineering and want to update their knowledge or get acquainted with new approaches and methods. Engineers, designers and designers will find in it a lot of useful recommendations and practical examples that will help in their professional activities. It can also be useful for teachers who are looking for quality teaching materials for their students. The style of the authors is distinguished by clarity and accessibility of presentation, which allows the reader to easily assimilate even the most complex concepts. The book is full of illustrations, diagrams and tables, which greatly facilitates the understanding of the material. This approach makes it not only a textbook, but also a reference book for a practicing engineer. Among other well-known works of Sergei Nikolayevich Samosenko can be distinguished his works on the theory of machines and mechanisms, which also received recognition in scientific and educational circles. His experience and in-depth knowledge in the field of mechanical engineering make each of his work a valuable contribution to this field. If you are looking for a high-quality and informative manual on machine parts and design basics, then "Machine details and design basics. Studying the structures and determining the basic parameters of gearboxes" will be an excellent choice for you. This book will not only expand your knowledge, but also inspire new ideas and projects. It will help you to better understand mechanical systems and learn how to put theoretical knowledge into practice. Do not miss the opportunity to get acquainted with this unique work, which will become your reliable assistant in the world of engineering and design.