Theoretical Physics . T. 6 Hydrodynamics” by Lev Davidovich Landau and Evgeny Mikhailovich Lifshitz is an outstanding work that not only deepens understanding of the basics of hydrodynamics, but also opens the fascinating world of physics as a whole to the reader. This work is part of the famous Theoretical Physics series, which has served as a reference book for students, graduate students, and professional physicists for decades. In the sixth volume, devoted to hydrodynamics, the authors investigate the dynamics of liquids, their behavior and interaction with the environment. Landau and Lifschitz, known for their deep approach to physics, offer readers not just a set of formulas and theories, but a holistic understanding of the processes occurring in liquids. The book covers a wide range of topics, ranging from the basics of hydrostatics to more complex aspects such as turbulence and wave processes. The reader will be able to learn about the principles governing the movement of liquids and how these principles are applied in various fields of science and technology. This book will be of particular interest to students and graduate students of physics, mechanics and engineering, as well as anyone who seeks to deepen their knowledge in theoretical physics. It is suitable both for those who are just beginning to get acquainted with hydrodynamics, and for experienced specialists who want to refresh their knowledge or find new ideas for research. The style of presentation of the authors is clear and logical, which makes complex concepts accessible to understanding. Landau and Lifschitz masterfully combine theory with practice, which allows readers not only to assimilate material, but also to apply it to real-world problems. The topics raised in the book are of great importance not only for physicists, but also for engineers, ecologists and meteorologists. Hydrodynamics is the basis for understanding many natural phenomena, from currents in the oceans to atmospheric processes. The book highlights the importance of hydrodynamic research in addressing pressing issues such as climate change and sustainable development. Landau and Lifschitz raise questions regarding the interaction of liquids with solids, which is directly related to modern technologies, such as the creation of new materials and the development of efficient transportation systems. The style of the authors, their ability to explain complex ideas in plain language, makes "Theoretical Physics. T. 6 Hydrodynamics" is not only a textbook, but also an exciting reading for all who are interested in science. Landau and Lifschitz, Nobel laureates, are known for their ability to deeply analyze and intuitively understand physical processes. Their other works, such as Quantum Mechanics and Statistical Physics, are also noteworthy and may be of interest to those who want to expand their knowledge in the field of physics. If you are looking for a book that will help you understand the complex concepts of hydrodynamics, or just want to deepen your knowledge of the nature of liquids, "Theoretical Physics. T. 6 Hydrodynamics" will become an indispensable assistant for you. This is not just a textbook, but a real encyclopedia that inspires new discoveries and research. Immerse yourself in the world of physics with Landau and Lifshitz, and you will not regret your choice!