The book “Underground gas storage: development and aging” by Smirnov is a fascinating and in-depth study that immerses the reader in the world of energy technologies and their impact on modern society. In the context of global climate change and growing energy demand, the topic of underground gas storage is becoming especially relevant. Smirnov, with a wealth of experience in the field of energy, offers readers a unique perspective on the problems associated with the development and operation of these strategically important facilities. From the first pages of the book, the author captures the reader’s attention, emphasizing the importance of underground gas storage facilities for ensuring the energy security of countries. It considers not only technical aspects, but also economic, environmental and social factors affecting the functioning of these systems. Smirnov raises issues related to the aging infrastructure, the need for modernization and the introduction of innovative technologies, which makes the book relevant both for energy specialists and for a wide audience interested in modern challenges in this field. This book will be of particular interest to students and specialists in the field of energy, ecology and engineering, as well as to anyone who wants to understand more deeply how the gas storage system functions and what risks are associated with it. Readers interested in the issues of sustainable development and the impact of the energy sector on the environment will find in it a lot of useful information and fresh ideas. Smirnov masterfully combines a scientific approach with an accessible language, which makes the material understandable and fascinating. Topics raised in the book range from the technical characteristics of underground storage facilities to their role in global energy policy. The author analyzes how the aging of infrastructure can affect the security of gas supplies and what measures should be taken to prevent emergency situations. The reader will be able to learn about modern methods of diagnosing and monitoring the state of storage, as well as about new technologies that can significantly improve their operation. Smirnov not only shares his knowledge, but also asks the reader important questions how can we ensure the reliability and safety of energy systems in a changing climate? What innovations are needed to adapt underground storages to new realities? These reflections make the book not only informative, but also provocative , encouraging the reader to actively discuss and seek solutions. Smirnov’s style is distinguished by clarity and logical presentation, which makes it easy to assimilate even the most complex concepts. His previous works, such as “Russia’s Energy Policy: Challenges and Prospects” and “Energy Storage Technologies: From Theory to Practice”, have already established him as an authoritative expert in the field of energy. In Underground Gas Storages: Development and Aging, he continues to develop his ideas, offering the reader not only theoretical knowledge, but also practical recommendations. This book will be a real find for anyone interested in energy, ecology and modern technologies. It opens new horizons for the reader, making them think about the future of energy and how we can make it safer and more sustainable. If you are looking for a deep and meaningful analysis that combines scientific approach and practical significance, “Underground Gas Storage: Development and Aging” is what you need. Do not miss the opportunity to get acquainted with this unique work, which will certainly become an important contribution to your knowledge library.