The book "Mechanics of liquid and gas (hydrodynamics)" by I. A. Verenia is a fascinating and deep dive into the world of physics, which will become an indispensable tool for both students and professionals in the field of engineering and applied science. In this work, the author masterfully combines theoretical foundations with practical examples, which allows the reader not only to understand the basic laws of hydrodynamics, but also to see their application in real life. The main theme of the book is the study of the behavior of liquids and gases, their interaction with the environment and with each other. Verenich examines in detail key concepts such as pressure, flow rate, turbulence and viscosity, as well as their impact on various processes. The reader will be able to learn how these physical phenomena affect everyday technology, from designing cars to creating efficient heating and ventilation systems. The book not only explains how liquids and gases work, but also offers many tasks and examples that will help consolidate the knowledge gained. Who can like this work? First of all, the book will be of interest to technical students studying mechanical and engineering disciplines . However, professionals working in the field of hydraulics, aerodynamics or related areas will find a lot of useful information and fresh ideas in it. In addition, science and technology enthusiasts seeking to broaden their horizons will also appreciate the accessible and engaging style of presentation. The topics raised in the book cover a wide range of issues, from the fundamentals of mechanics to complex flow models. Verenich not only describes the theory, but also focuses on its practical application, which makes the material especially valuable for those who want to not only learn, but also apply their knowledge to real-world tasks. The book also raises important environmental aspects related to the use of liquids and gases, which makes it relevant in the face of modern environmental challenges. Style and . A. Verenich is clear and logical, which allows even the most complex concepts to be accessible to understanding. The author is not afraid to contribute his ideas and views to traditional theories, which makes his work fresh and relevant. Among his other well-known works are Theory of Mechanics of Solid Environments and Fundamentals of Hydraulics, which are also popular among students and professionals. The book "Mechanics of liquid and gas (hydrodynamics)" is not just a textbook, but a whole world in which the reader immerses himself, discovering the laws of nature that govern the movement of liquids and gases. If you are looking for a qualitative source of knowledge in hydrodynamics, which combines theory and practice, then this work will be a real find for you. Do not miss the opportunity to expand your knowledge and skills in the field of mechanics - this book is waiting for you!