"Nonlinear near-periodic oscillations" is a fascinating and in-depth study written by prominent M. scientists. A. Redwood, W. Sh. Burdom and Yu. C. Wheeled . This book is a real find for those who are interested in mathematics, physics and engineering, as well as for undergraduate and graduate students seeking to deepen their knowledge in the field of dynamic systems and oscillation theory. The authors focus on nonlinear oscillatory systems, which in recent decades have attracted increasing attention of scientists and practitioners. The book offers readers a unique perspective on the behavior of such systems, examining their almost periodic fluctuations. This phenomenon, which at first glance may seem complicated and confusing, actually opens up a whole world of amazing patterns and effects. The authors masterfully explain how nonlinear interactions can lead to unexpected results, and how these results can be used in a variety of fields, from mechanics to biology. The book will be especially interesting for those who already have basic knowledge in mathematics and physics, and want to delve into more complex topics. Technical students, graduate students and young scientists will find here not only theoretical foundations, but also practical examples that will help them better understand complex concepts. Engineers and researchers working in the field of dynamics will also be able to extract useful ideas and methods for their projects. The topics raised in the book cover a wide range of issues related to nonlinearity and fluctuation. The authors discuss important aspects such as sustainability, bifurcations, and chaos, making the book relevant to contemporary research. They also consider the application of the theory of near-periodic oscillations in various fields of science and technology, including mechanical systems, electronics, and even biological processes. This versatility makes the book not only a theoretical, but also a practical tool. The style of presentation of the authors is clear and logical. They skillfully combine theoretical calculations with practical examples, which allows the reader not only to assimilate the material, but also to apply it in practice. Krasnoselsky, Burd and Kolesov are known for their work in the field of dynamical systems theory and oscillations, and their experience and knowledge make this book a valuable resource for anyone who wants to understand the complex issues of nonlinear dynamics. If you are looking for literature that will help you immerse yourself in the world of nonlinear oscillations, “Nonlinear almost periodic oscillations” will become a real treasure for you. This book will not only expand your horizons, but also inspire new research and discoveries. Readers interested in topics such as dynamics, vibration theory, mathematical modeling, and physics will surely find much useful and fascinating in it. Thus, “Nonlinear Almost Periodic Fluctuations” is not just a textbook, but a real encyclopedia of knowledge that will help you understand the complex aspects of nonlinear dynamics and fluctuations. Do not miss the opportunity to discover this fascinating world, which offers a book from the masters of their craft.