The book "Experiment "Maria" on the study of the electron-positron component of cosmic rays" by C. A. Voronova is a fascinating and deep dive into the world of astrophysics and space research. This work is not only interested in the scientific community, but can also attract the attention of a wide audience who seeks to understand the complex processes taking place in our Universe. In his book, Voronov describes a unique experiment named after Maria, which aims to study the electron-positron component of cosmic rays. This topic, at first glance, may seem highly specialized, but the author masterfully reveals it, making it available to readers who do not have deep knowledge in the field of physics. It immerses us in the exciting world of cosmic rays, explaining how they form, how they interact with the Earth's atmosphere and what is important for understanding the processes taking place in space. The book will be of interest to both undergraduate and graduate students studying physics and astronomy, as well as more experienced researchers working in the field of astrophysics. It can also attract the attention of science lovers who want to expand their knowledge of the cosmos and its mysteries. Voronov uses an accessible language, which makes the material understandable even for those who are not specialists, but are interested in science and its latest achievements. The topics raised in the book cover a wide range of issues, from the nature of cosmic rays and their sources to the methods of their research and data analysis. The author focuses on the importance of the experiment "Maria", which was a significant step in the study of the electron-positron component. He discusses how these studies could help in understanding phenomena such as dark matter and antimatter, which in turn could lead to new discoveries in particle physics. Voronov’s style is distinguished by clarity and logical presentation, which allows the reader to easily follow his thoughts and ideas. He skillfully combines scientific facts with fascinating stories, which makes reading not only informative, but also exciting. Voronov is also known for his other work in astrophysics, and his experience and authority in the field give the book added value. “The experiment “Maria” on the study of the electron-positron component of cosmic rays” is not just a scientific work, but a real find for everyone who is interested in the cosmos and its secrets. The book opens the door for readers to a world full of mysteries and discoveries, and inspires further research and study. It can be a great addition to the library of both students and professionals, as well as all those who seek to understand how our world works and what is hidden beyond our planet. If you are looking for books on astrophysics, space exploration or just want to learn more about the cosmos, then this work will be a real find for you. Do not miss the opportunity to immerse yourself in the exciting world of science with C. A. Voronov and his experiment "Maria" .