The book "Technology of working out of canopy and inclined coal seams on the chamber-pillar system in difficult mining and geological conditions", created by the team of authors, is an important and relevant study in the field of mining and coal industry . This publication will become an indispensable source of knowledge for specialists, students and researchers interested in coal mining in conditions requiring a special approach and innovative solutions. The book discusses in detail the methods and technologies used for effective processing of coal seams under difficult mountain-geological conditions. The authors share their experience and knowledge by analyzing existing problems and offering practical recommendations for solving them. The reader will be able to get acquainted with the basic principles of the chamber-pillar system, which has established itself as one of the most effective for working with canopy and inclined coal seams. One of the key themes of the book is the adaptation of technologies to changing mining conditions. In today's world, where environmental and safety requirements are becoming more stringent, it is necessary to find a balance between production efficiency and minimizing the negative impact on the environment. The authors propose innovative approaches that will help not only to increase production, but also to reduce the risks associated with working in difficult conditions. This book will be of interest not only to professional miners and engineers, but also to students studying in specialties related to mining, ecology and engineering. It will be an excellent addition to the training materials and will help future professionals to better understand modern technologies and methods used in the coal industry. The publication may also attract the attention of researchers engaged in the study of mountain processes and the development of new technologies. The style of the authors is distinguished by the clarity and accessibility of the presentation, which makes the material easy to perceive. They use many examples from practice, which allows the reader not only to learn the theoretical aspects, but also to see their application in real conditions. This makes the book especially valuable for those who seek practical application of the knowledge gained .. The topics raised in the book cover a wide range of issues, from equipment and technology selection to risk management and mine safety. The authors emphasize the importance of an integrated approach to solving problems related to coal mining, and emphasize the need for continuous training and adaptation to new conditions. If you are looking for information about modern technologies in the coal industry, want to learn about the best practices of working coal seams or just interested in mining, this book will be a real find for you. It will not only enrich your knowledge, but also inspire new ideas and solutions in your professional activities. Finally , "The technology of working out of canopy and inclined coal seams on the chamber-pillar system in difficult mountain-geological conditions" is not just a scientific publication. and an important contribution to the development of the coal industry, which will help readers to cope with the challenges of our time and find new ways to work effectively in the conditions of , It requires an innovative approach..