The book Symmetry, Topology and Resonances in Hamiltonian Mechanics by Vladimir Kozlov is a fascinating and in-depth study that opens up to the reader a world of complex mathematical concepts related to Hamiltonian mechanics. This work will be a real discovery for students, graduate students and researchers in the field of physics and mathematics, as well as for anyone interested in the theoretical foundations of mechanics and its applications. Known for his outstanding research in dynamical systems, Kozlov offers the reader a unique perspective on the symmetries and topological aspects of Hamiltonian mechanics. He masterfully combines theory with practical examples, which makes the material accessible and understandable, even for those who are just beginning to get acquainted with this complex topic. The book examines key concepts, such as resonances, that play an important role in the dynamics of systems, and how they can be related to symmetries and topology. One of the main topics raised in the book is the effect of symmetries on the behavior of physical systems. Goats show how these symmetries can be used to simplify the analysis of complex dynamical systems and how they help in understanding the stability and changes in the behavior of systems under the influence of various factors. This makes the book particularly interesting for those who want to deepen their knowledge of how physical laws can be expressed through mathematical structures. The book also touches on issues related to topology, which adds an additional level of depth and complexity to the topics discussed. The topological properties of systems can have a significant impact on their dynamics, and Kozlov skillfully demonstrates how these aspects can be applied in various fields of science and technology. Readers interested in modern research in the field of physics will find in this book a lot of useful information and new ideas. Who can like this work? First of all, students and graduate students studying physics, mathematics or engineering sciences . However, the book will be of interest not only to professionals, but also to science lovers who want to expand their horizons and understand how the laws of nature work at a deep level. If you are passionate about topics such as system dynamics, theoretical physics or mathematical physics, then “Symmetries, topology and resonances in Hamiltonian mechanics” will be a real treasure for you. Kozlov's style is distinguished by clarity and logical presentation, which allows the reader to easily follow his thoughts and ideas. He is not afraid to delve into complex concepts, but does so in such a way that even the most confusing moments become understandable. This quality makes his work in demand among students and researchers seeking a deep understanding of the subject. If you are looking for books that are similar in genre, pay attention to works such as Lars Larsen's Hamiltonian Mechanics or Goodman's Analytical Mechanics. These books also immerse the reader in the world of mechanics and mathematical models, but Kozlov offers a unique perspective that sets his work apart from others. In conclusion, Symmetry, Topology and Resonances in Hamiltonian Mechanics is not just a textbook, but a real find for anyone who wants to understand the laws of nature and their mathematical foundations more deeply. This book will be a faithful companion on the way to the knowledge of the complex but fascinating aspects of Hamiltonian mechanics. Do not miss the opportunity to discover this amazing world full of symmetries and resonances, which is so skillfully described by Kozlov.