Mathematical Modeling . Nonlinear Differential Equations of Mathematical Physics by A. A. Samara is a fascinating and deep dive into the world of mathematical physics, which will become an indispensable tool for students, graduate students and anyone interested in mathematical modeling and its applications in various fields of science and technology. From the first pages, the author sets a tone that combines the rigor of the scientific approach and the accessibility of the presentation. Samarsky, known for his work in mathematical physics, masterfully guides the reader through the complex concepts of nonlinear differential equations, showing how they can be used to describe real-world physical processes. The book not only explains the theoretical aspects, but also offers practical examples, which makes the material more understandable and applicable. The main intrigue of the book is how nonlinear equations can simulate various physical phenomena - from fluid dynamics to oscillations in mechanical systems. Samarsky skillfully demonstrates how mathematical models can predict the behavior of complex systems, which makes this book especially valuable for those who seek to apply mathematics to real-world problems. The reader will be able to see how abstract mathematical concepts become tools for solving specific problems, which opens new horizons in the understanding of physics. The book will be of interest not only to students and graduate students studying physics and mathematics, but also to practicing engineers, researchers and everyone who works in the field of applied mathematics. If you are passionate about topics such as system dynamics, theoretical physics or numerical methods, then “Mathematical modeling” will be a real find for you. It is also suitable for those who are interested in modern methods of analysis and solving complex problems related to nonlinearity, which makes it relevant in the context of modern scientific research. The topics raised in the book cover a wide range of issues, such as the sustainability of solutions, numerical methods, and their application in various fields. Samarsky not only explains the theory, but also shares his knowledge on how to apply these methods in practice. This allows the reader not only to learn the material, but also to learn how to use it to solve real problems. Style A. A. Samara is distinguished by clarity and logic, which makes complex mathematical concepts more accessible. His approach to learning is based on a deep understanding of the subject and the desire to convey this knowledge to readers. In his works, examples from real life are often found, which helps to better understand how theoretical aspects are applied in practice. In addition, Samarsky is the author of other significant works in the field of mathematical physics, such as