"Asymptotic Methods in the Theory of Nonlinear Oscillations" is an outstanding work written by the famous Soviet mathematician and mechanic N.. N. Godly . This book is not just a textbook, but a real encyclopedia of knowledge that immerses the reader in the world of complex mathematical concepts and their application in physics. If you are interested in nonlinear dynamics, oscillation theory, or mathematical physics, this edition will be a real find for you. The book covers a wide range of topics related to asymptotic methods that allow us to investigate the behavior of complex systems in conditions where traditional methods of analysis are ineffective. Bogolyubov shares his deep knowledge and experience, explaining how asymptotic methods can be applied to solve problems related to nonlinear oscillations. The reader will learn about different approaches to the analysis of dynamical systems, how to identify key parameters and how to use them to simplify complex equations. This work will be of particular interest to undergraduate and graduate students studying physics, mathematics, and engineering. However, it will also attract the attention of researchers and practitioners working in the fields of mechanics, control theory, and other related disciplines. The book is written in accessible language, which makes it understandable even for those who are just starting their way in studying nonlinear oscillations. However, it also contains fairly deep and complex ideas that can be of interest to experienced professionals. The topics raised in the book cover not only mathematical aspects, but also physical interpretations, which makes it particularly valuable for those who want to understand how mathematics is applied in real physical systems. Bogolyubov emphasizes the importance of asymptotic analysis in various fields of science, from mechanics to quantum physics, emphasizing its universality and significance. Readers will be able to see how asymptotic methods help in solving practical problems, such as analyzing the stability of oscillatory systems and studying their dynamics. Style N. N. Bogolyubov is distinguished by clarity and logic, which allows him to effectively convey complex ideas. His works, such as Course in Theoretical Mechanics and Quantum Statistical Mechanics, have long become classics in their fields. In Asymptotic Methods in Nonlinear Oscillation Theory, the author continues the tradition of accessible and in-depth presentation of material, making his books indispensable for students and professionals. If you are looking for literature that will not only expand your knowledge, but also inspire new research and discoveries, this book is what you need. It will be an excellent addition to the library of everyone who is interested in complex systems and their behavior. "Asymptotic methods in the theory of nonlinear oscillations" is the key to understanding nonlinear processes, which will open up new horizons in science and technology. Do not miss the opportunity to get acquainted with the work of one of the greatest minds of the 20th century and immerse yourself in the exciting world of asymptotic methods!