The book "The change of natural conditions in the Middle Ob after the creation of the Novosibirsk HPP" by C. Beiroma is a deep and comprehensive study that immerses the reader in the complex world of ecology and hydrology. This work will be a real find for those who are interested in the impact of human activities on natural ecosystems, as well as for students and specialists in the field of ecology, geography and hydrology. In his book, Beyrom analyzes the consequences of the construction of the Novosibirsk hydroelectric power plant, which radically changed the ecosystem of the Ob River and its environs. The author examines in detail how the change in the river bed, fluctuations in water level and new conditions for flora and fauna affected the biological diversity of the region. The reader will be able to learn about how the flooding of large areas of the earth, changes in temperature and chemical composition of water affected the way of life of local residents and animals. The book is not only informative, but also written in a fascinating style, which makes it available to a wide audience. It will be of interest to both scientists and nature lovers who want to better understand how technology can both improve and destroy the environment. It is especially worth noting that the work will be useful to those who are interested in environmental problems related to hydropower, and those who want to understand how to minimize the negative consequences of such large-scale projects. The topics raised in the book go beyond simple analysis. Bayrom raises important questions about the balance between infrastructure development and the conservation of natural resources. He draws attention to the need for an integrated approach to the design of hydropower plants, which takes into account not only economic, but also environmental aspects. The reader will be able to think about how important it is to maintain ecological balance and what measures can be taken to restore the natural environment. C. Beir is known for his deep understanding of ecology and hydrology, which makes his work authoritative in scientific circles. His other works, such as The Environmental Consequences of Reservoir Construction and Hydrology and River Ecology, have also earned recognition for their scientific rigor and accessibility. In this book, he continues his tradition of combining scientific analysis with practical recommendations, making his work particularly valuable for professionals and students. If you are looking for a book that will not only expand your knowledge about the human impact on nature, but also make you think about the future of our planet, “Change in natural conditions in the Middle Ob after the creation of the Novosibirsk HPP” will be an excellent choice. This work not only informs, but also inspires actions aimed at protecting and restoring natural ecosystems. By reading this book, you will not only gain new knowledge, but also feel part of an important dialogue about the future of our nature.