The book "Determination of operating costs when comparing design solutions options" by B. A. Volkova is an important and relevant work that will be of interest not only to professional engineers and designers, but also to students of technical specialties, as well as to anyone who seeks to deepen their knowledge in the field of project management and economic evaluation. In today’s market, where cost efficiency and optimization are key success factors, this edition offers readers a unique approach to analyzing and comparing different design solutions. Volkov, with extensive experience in engineering and design, shares with readers methods and tools that will help not only to determine operating costs, but also to make an informed choice among a variety of alternatives. The book begins with the basics, where the author explains what the operating costs are and why their proper assessment is critical to the successful completion of any project. The reader plunges into the world of economic calculation, where every digit and every detail matter. One of the key topics raised in the book is the importance of a systematic approach to cost estimation. Volkov emphasizes that operating costs are not limited to initial investments, but include many factors, such as maintenance, energy costs, depreciation and even environmental impact. This makes the book especially valuable for those who want to not only complete the project, but also make it sustainable and effective in the long run. The book will be of interest to a wide range of readers: from students and graduate students studying design and economics, to experienced professionals seeking to improve their skills and master new methods of analysis. If you work in the field of construction, production or project management, then this publication will become an indispensable assistant for you. It will also be useful for those interested in sustainable development and ecology, as the author pays attention to the impact of project solutions on the environment. Style B. A. Volkov is distinguished by clarity and accessibility, which makes complex concepts understandable even for those who are just starting their way in this area. It uses many examples from real practice, which allows the reader to better assimilate the material and see how theoretical aspects are applied in practice. In addition, the author is not afraid to share his own experiences and techniques, which makes the book not only a textbook, but also a practical guide. If you are looking for literature that will help you to understand the complex issues of design and cost estimation, pay attention to “Determination of operating costs when comparing design solutions options” This book will be your reliable companion in the world of engineering and project management. In it you will find not only theoretical foundations, but also practical recommendations that will help you make more informed decisions. Volkov is also known for his other works on design and management, and each of them deserves attention. If you are interested in topics such as cost optimization, project management or economic efficiency, do not miss the opportunity to get acquainted with his work. The book “Determination of operating costs when comparing design solutions options” is not just a training manual, but a key to understanding the complex processes taking place in the design world.