General Biology: The Organic World System by D. In. Leontief is a fascinating and deep immersion in the world of wildlife, which will not leave indifferent any lover of biology, neither a student nor an experienced scientist. In this work, the author offers readers a unique look at the complex relationships in the organic world, revealing the secrets of evolution, ecology and systematics of living organisms. Leontiev, known for his scientific works and pedagogical activities, creates in his book not just a textbook, but a real encyclopedia in which each chapter is permeated with a passion for the study of life. He skillfully combines scientific facts with accessible language, which makes the material understandable even for those who are just starting their way in biology. The book will be of interest to both high school students and students, as well as to anyone who wants to expand their knowledge of nature and its laws. In General Biology, Leontiev raises many topical topics, such as the diversity of life on Earth, the mechanisms of evolution, environmental interactions, and the role of man in the biosphere. It highlights the importance of biodiversity conservation and sustainable development, making the book particularly relevant in light of contemporary environmental challenges. Readers will be able to learn about how different species interact with each other and how they adapt to changes in the environment. Leontiev's style is clear and logical, which allows the reader to easily assimilate even the most complex concepts. He uses vivid examples from life, which makes reading not only informative, but also fascinating. The book is full of illustrations and diagrams that help to visualize the material being studied and make it more accessible to perception. In addition, "General Biology" is an excellent addition to other well-known works of the author, such as "Ecology and environmental protection" and "Evolution: from simple to complex" These books together create a holistic view of the biological sciences and their implications for modern society. For whom is this book intended? First of all, it will be of interest to students of biological faculties, teachers, as well as everyone who is fond of nature and wants to understand its laws more deeply . If you are looking for information about systematics, ecology or evolution, General Biology: The Organic World System will become an indispensable source of knowledge for you. In conclusion, it is worth noting that the book D. In. Leontief is not just a textbook, but a real find for everyone who wants to understand how our world works. It inspires further study of biology and arouses interest in science, which makes it worthy of the attention of everyone who seeks to expand their horizons. If you are looking for a quality and exciting reading in biology, be sure to pay attention to this work - it will become your faithful companion in the world of wildlife.