The method of group theory in quantum mechanics by B. L. Van der Warden is an outstanding work that opens the door for the reader to the world of quantum mechanics, using powerful tools of group theory. This publication will be a real find for students, graduate students and researchers seeking a deeper understanding of the physical laws governing the microcosm. Van der Warden, known for his deep knowledge in mathematical physics, offers the reader a unique approach to the study of quantum mechanics. In his book, group theory is used as a universal language to describe the symmetries and regularities that underlie quantum systems. The author masterfully combines mathematical concepts with physical applications, which makes the material accessible to those who are not experts in this field. The book covers a wide range of topics, including the basic principles of quantum mechanics, the role of symmetries in physical systems, and the application of group theory to solve complex problems. Van der Warden explains how symmetries affect the properties of particles and interactions, and how they can be used to predict the results of experiments. The reader will be able to see how abstract mathematical constructs become tools for understanding real physical phenomena. This book will be of interest not only to physicists, but also to everyone who is fond of mathematics and its applications in science. Students studying physics and mathematics will find in it useful explanations and examples that will help consolidate knowledge. Researchers working in the field of theoretical physics will be able to use the methods described in the book to develop new ideas and approaches in their research. The topics raised in the "Method of Group Theory in Quantum Mechanics" cover not only physics, but also the philosophical aspects of scientific knowledge. Van der Warden raises questions about the nature of symmetries and their role in understanding the laws of nature. This book makes you think about how mathematics and physics intertwine, creating a holistic view of the world at a level inaccessible to direct observation. The author's style is clear and logical, which makes even complex concepts accessible to perception. Van der Warden is not afraid to go into details, but always remembers that his reader may not be an expert. This makes his work not only educational, but also fascinating. If you’re interested in works like Dirac’s Quantum Mechanics or Griffiths’ Quantum Physics, Van der Warden’s book will be a great addition to your library. In conclusion, “The method of group theory in quantum mechanics” is not just a textbook, but a real encyclopedia of knowledge that will help the reader not only to master the theory, but also to see the beauty and harmony hidden in the laws of physics. This work will be a valuable resource for all who seek to understand the deep principles that govern our world, and will open new horizons for those who are ready to plunge into an exciting journey through the world of quantum mechanics.