The book "Numbered methods of solving convection-diffusion problems" by the authors of Samara A. A. and Vabievi P. N. is an important work in the field of mathematical modeling and numerical methods, which will be of particular interest to students, graduate students and specialists working in the field of applied mathematics, mechanics and engineering sciences . This work immerses the reader in the world of complex physical processes, such as convection and diffusion, which play a key role in various fields, from ecology to aerodynamics. The book covers a wide range of numerical methods to effectively solve the problems associated with convection and diffusion, making it an indispensable tool for those who seek to understand the dynamics of these processes more deeply. The authors offer readers not only theoretical foundations, but also practical recommendations for the use of various approaches, such as finite differences, finite elements and spectral methods. This allows the reader not only to get acquainted with the methods, but also to learn how to apply them in practice, which is especially important for engineers and researchers. The topics raised in the book cover both classical aspects and modern advances in numerical methods. Readers will be able to learn about how to correctly model physical processes, how to take into account different parameters and how to choose the best methods for solving specific problems. This makes the book especially valuable for those who work on projects related to heat transfer, chemical reactions and other processes where accuracy and reliability of calculations are important. The book will be of interest not only to specialists, but also to students studying numerical methods and mathematical modeling. It can be an excellent tutorial for courses in computational mathematics and mechanics. The authors, having rich experience in their field, share their knowledge and approaches, which makes the material accessible and understandable to a wide audience. The style of writing of Samarsky and Vabishevich is clear and logical, which allows the reader to easily assimilate complex concepts. The authors use many examples and illustrations, which helps to visualize the ideas presented and makes the learning process more exciting. Their previous work is also noteworthy, as they are known for their research in numerical methods and mathematical modeling, which adds additional value to their current work. If you are looking for a high-quality manual on numerical methods that will become a reliable assistant in your scientific or engineering activities, then “numerical methods for solving convection-diffusion problems” is exactly what you need. This book will not only deepen your knowledge, but also inspire new research and development. Immerse yourself in the world of numerical methods and discover new horizons in understanding complex physical processes!