The book "Hydrodynamics of Gas-Liquid Mixtures in Wells and Pipelines", written by a team of authors led by Yu. A. Kharchenko is a unique and in-depth study that will become an indispensable tool for specialists in the oil and gas industry, engineers and students studying hydrodynamics and hydrocarbon transportation processes. This publication stands out among similar works for its scientific thoroughness and practical orientation, which makes it relevant for both theorists and practitioners. The book covers a wide range of issues related to the behavior of gas-liquid mixtures in various conditions, including wells and pipelines. It examines in detail the physical and mathematical models that describe the processes occurring in such systems. The authors pay special attention to the dynamics of flows, phase interaction, as well as factors affecting the efficiency of hydrocarbon transportation. The reader will be able to find here not only theoretical calculations, but also practical recommendations, which makes the material accessible and understandable. This work will be of interest not only to professional engineers and scientists, but also to students of technical universities studying oil and gas, hydrodynamics and related disciplines. The book can be an excellent addition to educational materials, as well as serve as a basis for research and thesis work. It is suitable for both novice professionals and experienced professionals who want to deepen their knowledge in the field of gas-liquid mixtures . The topics raised in the book are relevant and important for understanding the processes taking place in the oil and gas industry. The authors investigate the effect of various factors on flow characteristics, including pressure, temperature, and mixture composition. These aspects are critical for optimizing hydrocarbon production and transportation processes, which, in turn, affects the economic efficiency of enterprises. The book also addresses environmental and safety issues, making it particularly important in the context of the current challenges facing the industry. The style of presentation of the authors is clear and logical, which allows the reader to easily assimilate complex scientific concepts. The book uses graphs, tables and diagrams, which helps to visualize the material presented and makes it more visual. The team of authors, consisting of experts in their field, provides high quality and reliability of information, which makes this publication a reliable source of knowledge. If you are looking for literature on hydrodynamics, displacements of gas-liquid mixtures or just want to expand your knowledge in the field of oil and gas technology, Hydrodynamics of gas-liquid mixtures in wells and pipelines will be a real discovery for you. This book will not only enrich your professional arsenal, but also help you better understand the complex processes taking place in one of the most dynamically developing sectors of the economy. In conclusion, “Hydrodynamics of gas-liquid mixtures in wells and pipelines” is not just a textbook, but a whole world of knowledge that will open up new horizons in understanding hydrodynamic processes. Do not miss the opportunity to enrich your knowledge and become an expert in this important area!