Designing a Constructive Midship Spangout for Inland Navigation Vessels . At 4 p.m.. H. 3" by A. A. Khmeleva is an important contribution to the field of shipbuilding and design, especially for those interested in the design and operation of ships on rivers and canals. This work is the third part of a four-volume publication devoted to the design of a midship span, which plays a key role in ensuring the strength and stability of the ship. In this book, the author examines in detail the technological and design aspects of midship span design, focusing on its importance to the overall architecture of the vessel. The reader will be able to learn about different methods of calculation and design, as well as about the features that need to be taken into account when working with inland water vessels. Khmelev shares his knowledge and experience, which makes the material available to both students and practicing engineers who want to deepen their knowledge in this specific area. The book will be of interest not only to specialists in the field of shipbuilding, but also to students of technical universities, as well as to everyone who is fond of maritime affairs and design. It will be an indispensable tool for those who want to understand how ships are designed and built, which daily plow rivers and canals. Readers interested in topics such as mechanics, engineering, and shipbuilding will find many useful and practical recommendations in this book. The topics raised in the book cover a wide range of issues, ranging from material selection to strength and sustainability calculations. Khmelev emphasizes the importance of accuracy in the design, because it depends not only on the longevity of the vessel, but also the safety of its operation. The book also touches on the issues of innovative technologies in design, which makes it relevant to the modern reader. The author's style is distinguished by clarity and logical presentation, which makes it easy to absorb even the most difficult technical points. Khmelev uses many illustrations and diagrams that help to visualize the processes and constructions described. His previous work has also earned recognition in professional circles, and this book will not be an exception. If you are looking for high-quality literature on ship design, then “Designing a constructive midship span for inland navigation vessels” definitely deserves your attention. Reading this book will enrich your outlook and give you the opportunity to look at ship design from a new perspective. It will become a reliable assistant in your professional activities and will help you better understand all the subtleties and nuances associated with the design of mid-spangout. Do not miss the chance to expand your knowledge and skills in the field of shipbuilding, immersed in a world where every detail matters, and every decision can be the key to success.