The book "What are protostars", written by talented authors Sergei Anatolyevich Lamzin and Vladimir Georgievich Surdin, is a fascinating and informative work that immerses the reader in the world of astronomy and astrophysics. This is not just a scientific work, but a real guide to the mysteries of space, which will be of interest to both professional astronomers and amateurs seeking to expand their knowledge of stars and their formation. Protostars are one of the most intriguing stages in a star's life when it is just beginning to form from clouds of gas and dust. The authors masterfully explain how from these cold and dark clouds are born lights that will illuminate our nights for billions of years. The book covers a wide range of topics, ranging from the physics of the processes occurring in molecular clouds to questions relating to the evolution of stars and their impact on the environment. Lamzin and Surdin use accessible language and vivid examples to make complex scientific concepts understandable to a wide audience. This book will be especially interesting for those who are fond of astronomy, physics and space, as well as students and schoolchildren studying these disciplines. It can be a great addition to teaching materials and inspire the younger generation to further research in science. Readers who love science fiction will also find a lot of interesting things in it, because understanding the processes taking place in space can enrich their perception of artistic works. The themes raised in the book are diverse and multi-faceted. The authors discuss not only the physical and chemical processes, but also the philosophical aspects associated with the emergence of life in the universe. They raise questions about how stars influence the formation of planets and, ultimately, the emergence of life. These reflections make the book not only a scientific work, but also a philosophical treatise on the place of man in the universe. The style of Lamzin and Surdin is clear and concise, which allows the reader to easily absorb information. They use many illustrations and diagrams that help to visualize the processes described. This makes reading not only informative, but also fascinating. The authors have already established themselves in the scientific community, and their previous work has also received recognition, which adds additional value to “What are protostars” If you are looking for books on astronomy, astrophysics or just want to learn more about how our cosmos works, this work will be a real find for you. Readers interested in works such as Carl Sagan's Cosmos or Stephen Hawking's A Brief History of Time will surely appreciate the authors' deep approach and scientific rigor. The book "What are protostars" will be a great addition to your library and will inspire further research in the world of science. In conclusion, “What are protostars” is not just a book, but a whole world full of mysteries and discoveries. It takes you on a fascinating journey through the vast expanses of space and helps you understand how stars are born out of darkness and cold, illuminating our path. Do not miss the opportunity to touch the secrets of the universe, discovering this wonderful work!