The book "Fundamentals of Numerical Modeling of Main Pipelines" by Seleznev V. E. , Spicy C. N. and Alyoshin V. In. is an important work that immerses the reader in the world of complex engineering solutions and modern technologies used in the design and operation of trunk pipelines. This work will be an indispensable tool for both undergraduate and graduate students, and for practicing engineers seeking to deepen their knowledge in the field of hydraulics and numerical modeling. From the first pages, the book captures the attention of the reader, offering not only theoretical foundations, but also practical examples that make the material accessible and understandable. The authors, with considerable experience in the design of pipeline systems, share their knowledge of numerical modeling methods that help analyze and optimize the operation of trunk pipelines. The reader will be able to learn about various modeling approaches, including finite element and volume methods, as well as the software tools that are used in this field. The book will be of interest not only to specialists in the field of pipeline transport, but also to everyone who is interested in modern technologies in engineering. Students of technical universities, graduate students, as well as young professionals working in the field of energy, oil and gas, will find in it a lot of useful information. It can also be useful for teachers who are looking for quality teaching materials for their courses. The topics raised in the book cover a wide range of issues related to pipeline design and operation. The authors pay attention to both theoretical aspects and practical tasks, such as calculating the strength of pipelines, analyzing currents and assessing pressure losses. The book also considers the influence of various factors on the efficiency of pipeline systems, including the physical properties of transported liquids and gases, as well as operating conditions. The style of the authors is distinguished by clarity and accessibility of the presentation . They skillfully combine theory with practical examples, which allows the reader not only to assimilate the material, but also to apply it in practice. Seleznev V. E. , Pryalov S. N. and Alyoshin V. In. are recognized experts in their field, and their experience makes this book a valuable source of knowledge Their other works may also be of interest to readers who wish to deepen their knowledge in hydraulics and pipeline system design. “Basics of Numerical Modeling of Main Pipelines” is not just a textbook, but a real find for anyone who wants to understand the complex processes taking place in pipelines. The book will help the reader not only to understand the basic principles, but also to develop the skills necessary for successful work in this field. If you are looking for a quality and informative guide that will become your reliable companion in the world of pipeline transport, then this publication is exactly what you need. Do not miss the opportunity to immerse yourself in the fascinating world of numerical modeling and discover new horizons in engineering. This book will be a great guide for you.