The book "Ship engines and their operation", written by the authors Voznitsky and Mikheev, is an indispensable source of knowledge for all who are interested in marine technology and shipbuilding. This publication covers a wide range of topics related to the design, operation and maintenance of marine engines, making it relevant to both students and experienced professionals in the field of maritime affairs. From the first pages, the reader plunges into the world of complex mechanical systems that ensure the operation of ships. The authors consider in detail various types of marine engines, including diesel and gas engines, as well as their design features and principles of operation. The book presents not only theoretical aspects, but also practical recommendations for operation and maintenance, which makes it useful for sailors and engineers working in the fleet. The book pays special attention to the issues of safety and ecology, which in the modern world is becoming increasingly relevant. The authors emphasize the importance of complying with norms and standards aimed at reducing the negative impact of marine engines on the environment. This topic will be of interest not only to professional sailors, but also to everyone who cares about the future of our planet. The book “Ship engines and their operation” will be especially useful for students of maritime educational institutions, as well as for those who are undergoing advanced training courses in the field of shipbuilding and marine engineering .. It will be an excellent addition to the training materials and will help future specialists to better understand the design and operation of marine engines. The authors, Voznitsky and Mikheev, are recognized experts in their field, and their experience and knowledge make this book a valuable resource. They not only share their professional experience, but also offer the reader a unique look at modern trends in shipbuilding. Their writing style is clear and accessible, which allows even complex technical concepts to be explained in simple and understandable language. If you are interested in marine engineering, shipbuilding or just want to expand your knowledge in this area, then "Ship engines and their operation" will be a real find for you. This book will not only enrich your knowledge, but will also inspire further research and practical application of the knowledge gained. In conclusion, it is worth noting that this edition will be interesting not only for professional sailors and engineers, but also for everyone who is fond of technology and wants to understand how the complex systems behind the movement of ships work. The book will be a reliable assistant in the study of marine engines and their operation, as well as open new horizons for those who seek professional growth in this exciting and important area.