The book is . [ 599, Underground Fluids of the Greater Caucasus and its Frames”, published by the team of authors, is a unique study devoted to the geological and hydrogeological features of the Greater Caucasus region..... This edition will be a real find for all those who are interested in natural resources, geology, ecology and the history of the study of the Caucasus. This volume contains the results of many years of research conducted by scientists and specialists in the field of geology and geophysics. The book reveals the secrets of underground fluids - water, gases and other substances that are in the bowels of the Caucasus, their composition, origin and influence on the ecosystem of the region. The reader will be able to learn about how these fluids interact with the environment, how they affect the climate and flora and fauna, as well as what resources can be extracted from the depths of this majestic mountain range. The book will be of interest not only to professional geologists and ecologists, but also to students, graduate students, as well as everyone who is fond of natural sciences. It is suitable for those who are just starting their way in the study of geology, and for experienced professionals who want to deepen their knowledge of the Caucasus. Readers interested in ecosystems, natural resources and their rational use will find in this edition a lot of useful information. The topics raised in the book cover a wide range of issues, from the study of mineral resources and their impact on the region's economy to the environmental consequences of mining.[citation needed] The authors emphasize the need for careful attitude to natural resources and sustainable development, which makes the book especially relevant in the context of the modern environmental crisis. By studying underground fluids, the authors raise important questions about how to preserve the natural heritage for future generations. The style of presentation in the book is distinguished by scientific rigor, but at the same time it is available to a wide audience. The authors strive to convey complex scientific ideas in an understandable and fascinating form, which makes reading not only informative, but also pleasant. The team of authors working on this publication consists of experienced scientists, many of whom are already known for their research in the field of geology and ecology. Their previous work has also earned recognition in academia, and "Works of the GIN, Vyp. 599" continues this tradition. This book can be a great addition to the library for anyone interested in nature and its resources, as well as the processes that shape our planet. Readers looking for information about the geology of the Caucasus, ecology and natural resources can use such search queries as “the geology of the Caucasus”, “underground waters”, “mountain ecology”, “natural resources of Russia” and “hydrogeology” . In conclusion, “Works of the GIN, Vyp. 599, Underground Fluids of the Greater Caucasus and its Frames" is not just a scientific publication, but a real encyclopedia of knowledge about the underground wealth of the Caucasus. This book will be a valuable source of information for anyone who wants a deeper understanding of the nature and resources of this amazing region.