Theoretical Physics . Volume 6. Hydrodynamics” by Lev Davidovich Landau and Evgeny Mikhailovich Lifshitz is not just a textbook, but a real encyclopedia of knowledge that immerses the reader in the fascinating world of hydrodynamics. This volume is part of the famous "Theoretical Physics" series, which for many years has served as a major source of knowledge for students, graduate students and anyone interested in physics at a deep level. Hydrodynamics is a branch of physics that studies the motion of liquids and gases, as well as the interaction of these media with the bodies in them. In this volume, the authors consider the basic principles and laws that underlie the behavior of liquids. The reader will be able to learn about key concepts such as the Navier-Stokes equations, which describe the motion of viscous liquids, as well as about the different types of currents and their characteristics. Landau and Lifschitz masterfully explain complex mathematical models, making them accessible to understanding, making the book a valuable resource for both students and experienced professionals. This book will be especially interesting for those who are fond of physics, engineering, meteorology and even biology. Students and graduate students studying physics will find in it not only theoretical foundations, but also practical examples that will help them better assimilate the material. It can also attract the attention of specialists working in the field of mechanics, aerodynamics and hydraulics, providing them with an in-depth understanding of the processes occurring in liquids and gases. The topics raised in Hydrodynamics cover a wide range of phenomena: from simple currents to complex vortex processes. The authors not only present mathematical models, but also discuss physical interpretations, which allows the reader to see real physical processes behind the formulas. The book also addresses issues related to the application of hydrodynamics in various fields, such as climatology, oceanography, and even astrophysics. The style of Landau and Lifshitz is clear and logical, which makes the reading of their works fascinating and informative. They use many examples and illustrations to demonstrate complex concepts, making it easy for the reader to follow their thoughts. In addition, their approach to the presentation of the material emphasizes the relationship between the different sections of physics, which contributes to a deeper understanding of the subject. If you are looking for books similar to Hydrodynamics, look for other volumes in the Theoretical Physics series, such as Classical Mechanics or Electrodynamics. These works are also written in the same spirit and will help you to expand your knowledge in the field of physics. In conclusion, “Theoretical Physics . Volume 6. Hydrodynamics is a must-read for anyone seeking to deepen their knowledge of physics and understand the complex processes occurring in liquids and gases. This book will not only enrich your scientific outlook, but also inspire further research and discoveries in the world of physics. Do not miss the opportunity to get acquainted with the works of Landau and Lifshitz - their contribution to science and education cannot be overestimated