The book "Molecular spectra, chemical thermodynamics, electrochemistry and kinetics of chemical reactions" by B. T. Brunova is a fascinating and in-depth study in the world of chemistry, which will become a reference book for both students and professionals in the field of natural sciences. In this work, the author masterfully combines theoretical foundations with practical aspects, creating a holistic view of modern chemical processes. The book focuses on key topics, such as molecular spectra, which reveal to the reader the mystery of the interaction of light and matter. Brunov explains how spectroscopy helps reveal the structure of molecules and understand their behavior under different conditions. This knowledge is not only fascinating, but also extremely important for those who seek a deeper understanding of chemistry and physics. Chemical thermodynamics, another important topic of the book, is considered through the prism of the laws of conservation of energy and entropy. The author focuses on how these laws affect chemical reactions and processes, which allows the reader to better understand how energy is converted and distributed in chemical systems. Brunov not only explains the theoretical aspects, but also gives examples from practice, which makes the material more accessible and understandable. Electrochemistry, covering the interactions between electrical and chemical processes, also occupies a significant place in the book. Brunov examines in detail how electrochemical reactions underlie many modern technologies, from batteries to electrostatic processes. This knowledge will be especially useful for students of technical specialties and researchers working in the field of materials science and energy. The kinetics of chemical reactions is another important component of the book, where the author discusses the factors affecting the speed of reactions, and methods of their measurement. Brunov shares his observations and conclusions, which allows the reader not only to understand how reactions occur, but also to learn to predict their behavior under different conditions. This knowledge can be useful for both students and practicing chemists working in laboratories. The book “Molecular spectra, chemical thermodynamics, electrochemistry and kinetics of chemical reactions” will be of interest not only to students and graduate students, but also to teachers, researchers and anyone interested in chemistry at a deeper level. It is suitable for readers aged 16 years and older, as well as for those who want to expand their knowledge in the field of chemistry and related sciences. Brunov's style is distinguished by clarity and accessibility, which makes complex topics understandable even for beginners. He knows how to captivate the reader by submitting material in an interesting and lively form .. In. T. Brunov is also known for his other work on chemical processes and their application in various fields, which confirms his status as an expert in this field. This book is not just a textbook, but a real find for everyone who seeks to understand how the world works at the molecular level. It inspires new discoveries and research, encouraging the reader to delve deeper into the study of chemistry and its applications. Do not miss the opportunity to get acquainted with this unique work, which will become your reliable companion in the world of chemical knowledge.