The book "Internal combustion engines", written by the author's team as part of Orlin A. C. , Vyrubova D. N. , Kalisha G. G. and others, is a fascinating and deep immersion in the world of mechanics and engineering, which will be of interest to both professionals and amateurs. This publication not only serves as a textbook for students of technical universities, but will also become a reference book for anyone interested in the design and principles of internal combustion engines. From the first pages, the reader finds himself at the center of an exciting narrative about how engines work, which have become an integral part of our daily lives. The authors examine in detail the different types of engines, their design features and principles of operation. They explain how the chemical energy of fuel is converted into mechanical energy, and how this process affects the efficiency and performance of engines. Each section of the book is filled with practical examples and illustrations, which makes it easy to assimilate complex technical concepts. The book will be of interest not only to students and engineers, but also to a wide range of readers, including motorists, mechanics and everyone who wants to better understand how cars work. If you have ever thought about how your car or motorcycle works, or just want to learn more about modern technologies, then the Internal Combustion Engines will be a real find for you. The topics raised in the book cover not only technical aspects, but also environmental issues related to the use of internal combustion engines. The authors discuss the impact of emissions on the environment and consider alternative energy sources, which makes the book relevant in light of the current challenges facing humanity. This allows readers to reflect on the future of the automotive industry and how new technologies can change our approach to the use of engines. The style of the authors is characterized by accessibility and clarity of presentation, which makes complex topics understandable even for those who do not have deep knowledge in the field of mechanics. They use a lot of visual examples and diagrams, which helps to visualize the material and better understand it. This makes the book not only useful, but also fascinating to read. In addition, the authors of Internal Combustion Engines have extensive experience in engineering and education, which gives the book added value. Their previous work has also been highly praised, and this edition is no exception. Readers familiar with other works of these authors will find in the new book a familiar approach and quality of presentation. Thus, “Internal Combustion Engines” is not just a textbook, but a real encyclopedia that covers all aspects of engine operation, from basics to modern technologies. This book will be an indispensable assistant for students, professionals and anyone who wants to expand their knowledge in the field of mechanics and engineering. If you are looking for a high-quality and informative reading that will help you understand the complex issues related to engines, then this publication should definitely take a place on your shelf. Do not miss the opportunity to discover the world of internal combustion engines and learn how they have changed our lives and continue to do so. Read, learn and be inspired!