The book "Operation and repair of drilling machines and mechanisms for drilling wells for water" by B. M. Kasatkina is an indispensable source of knowledge for anyone interested in drilling, as well as for specialists in the field of water supply and geological exploration. In this work, the author is deeply immersed in the topic, revealing not only technical aspects, but also practical nuances that will help the reader better understand how to effectively use and maintain drilling machines. From the first pages of the book, it becomes obvious that Kasatkin is an experienced professional who not only shares theoretical knowledge, but also draws on his rich practical experience. It considers different types of drilling machines, their design features and principles of operation, which makes the material available to both beginners and experienced specialists. The reader will be able to learn about modern drilling technologies, as well as how to choose the right equipment depending on the working conditions and the specifics of the task. The book will be especially useful for students and graduate students studying in specialties related to geology, hydrogeology and engineering . It will also be a great help for practicing engineers and technicians working in the field of drilling wells for water. If you plan to engage in drilling or just want to expand your knowledge in this area, then this publication will be a real guide for you. The topics covered in the book cover a wide range of issues, including the choice of drilling equipment, methods of diagnosis and repair, as well as the features of operation of machines in different climatic conditions. Kasatkin emphasizes the importance of regular maintenance, which avoids serious breakdowns and prolongs the service life of equipment. It also shares recommendations for organizing the workflow, which can significantly improve work efficiency. The author’s style is clear and accessible, which makes reading easy and exciting. Kasatkin uses many examples from his practice, which allows the reader to better understand the theoretical aspects. His approach to learning is based on the principle of “from simple to complex”, which is especially important for those who are just starting to get acquainted with this topic. In addition, Kasatkin is the author of other well-known works in the field of drilling and geology, which confirms his status as an expert in this field. His books are often recommended in educational institutions and are used as reference materials in production. Readers interested in topics related to drilling can also pay attention to such works as “Drilling Technology” and “Fundamentals of Hydrogeology”, which complement the knowledge gained from the “Operation and Repair of Drilling Machines” .. The book “Operation and repair of drilling machines and mechanisms for drilling wells for water” is not just a training manual, but a real encyclopedia for those who want to better understand the specifics of drilling It will become a reliable assistant for both students and experienced professionals who want to improve their skills and expand the horizons of their knowledge. If you are looking for a high-quality and informative publication on this topic, then this book definitely deserves your attention.