The book "Calculation and construction of drainage devices" by A. Tulaeva is an indispensable resource for anyone interested in hydrogeology, engineering ecology and drainage systems design. In it, the author shares his knowledge and experience, offering readers a deep understanding of the principles, methods and technologies associated with drainage. This edition will be useful for both undergraduate and graduate students, as well as practicing engineers and designers working in the field of water supply and sanitation. The book discusses the main aspects of the design of drainage systems, including the choice of materials, the calculation of the necessary parameters and the analysis of the effectiveness of various structures. Tulaev emphasizes the importance of drainage in construction and agriculture, emphasizing how properly designed drainage devices can significantly improve the conditions for the exploitation of land and buildings. Readers will be able to learn about modern approaches to drainage, as well as about new technologies that are actively being introduced in this area. The topics covered in the book cover a wide range of issues, from the basics of hydrology to complex calculations related to the design of drainage systems. The author not only explains the theoretical aspects, but also shares practical recommendations, which makes the book especially valuable for those who want to apply the knowledge gained in practice. An important part of the publication are examples of real-world projects that illustrate how theoretical knowledge can be applied to solve specific problems. The book will be of interest not only to specialists, but also to those who just want to expand their knowledge in the field of drainage and its importance in modern construction and agriculture. It is suitable for both students studying engineering specialties and practicing engineers who seek to update their knowledge of modern methods and technologies. It can also be useful for environmentalists and environmentalists, as drainage systems play a key role in water management and pollution prevention. The author's style is distinguished by clarity and accessibility of presentation, which allows the reader to easily assimilate even the most complex concepts. A. Tulaev is known for his work in the field of hydrogeology and engineering ecology, and his experience is reflected in each section of the book. He skillfully combines theory with practice, making his books in demand among professionals and students. If you are looking for literature on the design of drainage systems, then “Calculation and construction of drainage devices” is exactly what you need. This publication will not only help you understand complex issues, but also inspire new ideas and approaches in your professional activities. Read, study and apply the knowledge gained in practice to make your project successful and effective. Do not miss the opportunity to get acquainted with this unique book, which will become your reliable assistant in the world of drainage and hydrogeology