The book "Hydraulic calculations . H. 1. Calculation and selection of pumps and fans by Mikhail Ilyich Vedernikov is an indispensable tool for anyone interested in hydraulic systems and their optimization. Vedernikov, known for his in-depth knowledge of hydraulics and engineering, offers readers a unique perspective on the process of selecting pumps and fans, making this book an important resource for both students and practicing engineers. In the first part of his work, the author examines in detail the basic principles underlying hydraulic calculations. He explains how to approach the selection of pumps and fans, based on the characteristics of a particular project. The book is saturated with practical examples and calculations, which allows the reader not only to assimilate theoretical aspects, but also to apply them in practice. Vedernikov focuses on the importance of choosing the right equipment, as this directly affects the efficiency of the entire system. This book will be especially useful for students of engineering specialties, as well as specialists working in the field of water supply, heating, ventilation and air conditioning. If you want to deepen your knowledge in hydraulics or are looking for a practical guide to calculations, "Hydraulic calculations" is what you need. In addition, the book will be of interest to those who are engaged in the design and operation of systems related to the movement of liquids and gases. The topics raised in the book cover a wide range of issues, such as the choice of pumps for different operating conditions, the calculation of their performance and performance. Vedernikov also considers the influence of various factors, such as temperature, fluid viscosity and system features, on the choice of equipment. The reader will be able to learn about modern calculation methods and new technologies that can significantly increase the efficiency of pumps and fans. Vedernikov's style is distinguished by clarity and accessibility. He skillfully combines theory with practice, which makes the material easy to perceive. The book is written in such a way that even complex concepts become understandable thanks to simple explanations and illustrative examples. Mikhail Ilyich is the author of several other works in the field of hydraulics and engineering, and his experience and knowledge are obvious on every page. His books are popular among students and professionals, which confirms their high value in the educational process and in practice. If you are looking for literature on hydraulic calculations that is not only informative but also practical, "Hydraulic calculations. H. 1. Calculation and selection of pumps and fans "will be your reliable assistant. This book is not just a guide, but a whole guide to the world of hydraulics, which will help you understand complex issues and find optimal solutions for your projects. Do not miss the opportunity to enrich your knowledge and skills in the field of hydraulic systems with this fascinating and useful publication. Read, learn and apply the knowledge gained in practice, and you will see how your projects will become more effective and successful.