The book "Application of systems with subfloor collapse in the development of inclined ore deposits", written by the author's team as part of Savich I . N. , Gagieva T. A. and Pavlova A. A. , is a unique study that immerses the reader in the intricacies and nuances of mining. This publication will be of particular interest to specialists, students and anyone interested in modern methods of mining, as well as those who seek to deepen their knowledge in the field of mining engineering. The book deals with topical issues related to the use of sub-floor collapse systems, which are becoming increasingly popular in modern production conditions. The authors analyze in detail the advantages and disadvantages of these systems, as well as their impact on the effectiveness of the development of inclined ore deposits. The reader will be able to learn about how process optimization can lead to a significant increase in productivity and lower costs. The focus is on the practical aspects of the sub-floor collapse application, making the book particularly valuable for practicing engineers and managers working in the mining industry.[citation needed] The authors share their experience and knowledge, which allows the reader not only to understand the theory, but also to see how it is applied in practice. The book presents real-world examples that illustrate successful cases of implementation of these systems in various enterprises. The book will be useful not only for professional mining engineers, but also for students studying mining, as well as graduate students and researchers engaged in research of new technologies in the field of mineral development. It can be an excellent teaching tool for those who are preparing for exams or want to deepen their knowledge in this area. The topics raised in the book cover a wide range of issues, including mining safety, environmental aspects of field development, and economic and technological factors influencing the choice of development methods. The authors emphasize the importance of an integrated approach to solving the problems facing the mining industry, and the need for continuous improvement of technologies. The style of writing of the authors is clear and accessible, which makes it easy to perceive even the most complex concepts. They use many illustrations, diagrams and tables, which makes the material more clear and understandable. In addition, the book contains references to other well-known works in the field of mining, which allows the reader to delve into the study of the topic. If you are looking for information about modern methods of mining, want to learn about new technologies in the mining industry or just interested in how sub-floor collapse systems work, this book will be a real find for you. It will not only expand your knowledge, but also inspire new ideas and solutions in your professional activities. Thus, “Application of sub-floor collapse systems in the development of sloping ore deposits” is a book that deserves the attention of anyone who wants to be at the forefront of mining science and practice. Do not miss the opportunity to get acquainted with this important work, which can become your reliable assistant in the world of mining.