The book "Development of deposits of native sulfur by the method of underground smelting" by B. Arens is a unique work that immerses the reader in the world of geological research and modern technologies in the field of mining. This work will become an indispensable source of knowledge for students, graduate students, as well as professionals in the field of mining and geology, seeking to deepen their knowledge about the specifics of the development of sulfur deposits. The book focuses on the method of underground smelting, which represents an innovative approach to the extraction of native sulfur. Arens examines in detail the technological processes that make it possible to extract this valuable resource effectively from the bowels of the earth, while minimizing the impact on the environment. The reader will be able to learn about various aspects of this method, including its advantages and disadvantages, as well as how it relates to traditional mining methods. The book will be of interest not only to specialists, but also to those who are simply interested in geology or want to understand how modern technologies in the field of mining work. In. Arens uses an accessible language, which makes the material understandable even for those who do not have in-depth knowledge in this area. However, for professionals, the book offers a wealth of valuable data and research that can be useful in their practice. The topics raised in the book cover a wide range of issues related to the environmental and economic aspects of field development. Arens emphasizes the importance of sustainable development and the need to comply with environmental standards in mining. He emphasizes that modern mining should take into account not only the economic benefits, but also the consequences for nature and the local population. This makes the book relevant in light of the current challenges facing the mining industry. The author's style is distinguished by clarity and logical presentation, which allows the reader to easily follow the course of thought. In. Arens is an experienced specialist who not only shares his knowledge, but also inspires further research in the field of geology and mining. His previous work has also received recognition in the scientific community, and this book will not be an exception. If you are looking for literature that combines a scientific approach and practical application, then “Development of deposits of native sulfur by underground smelting” will be a real find for you. This book will not only expand your horizons in geology, but also help you better understand how modern technology can contribute to more efficient and secure resource extraction. Thus, if you are interested in topics such as mining, geology, ecology, mining technologies, as well as you want to learn about modern methods that change the approach to mining, then do not miss the opportunity to get acquainted with the work of B. Arens . This book will be your reliable companion in the study of the complex but fascinating world of underground wealth.