The book "Plum-water invertebrates of the middle band of the European part of the USSR . Tables of drawings. » collective authors is a unique and in-depth scientific work that will become an indispensable assistant for enthusiasts, biologists and students interested in the wealth of freshwater ecosystems in the region This book is a real storehouse of knowledge about the diversity of invertebrate organisms inhabiting rivers, lakes and ponds of the middle band of the European part of the former USSR, and is a carefully prepared guide combining classification, illustrations and tables. What makes this book special? First, it reveals to the reader the richness and complexity of freshwater invertebrates, covering a wide range of representatives - from mollusks and crustaceans to worms and other small, but important participants in aquatic ecosystems . The author's team, consisting of leading experts in the field of hydrobiology and zoology, has invested in the work not only scientific accuracy, but also practical value, making it accessible to both professionals and amateurs who want to expand their knowledge about nature. The book "Plum-water invertebrates of the middle band of the European part of the USSR . Tables of drawings. It’s not just a collection of facts.... This is a guide to the world of microscopic creatures that play a key role in maintaining the ecological balance of aquatic systems. It details morphological features, life cycles, and ecological niches of various invertebrate groups, making it a valuable source of information for research, environmental monitoring, and educational programs. Particular attention in the book is paid to illustrations and tables that allow you to easily identify species and understand their distinctive features. Colorful drawings and diagrams help to visualize complex morphological details, and structured tables systematize information, making it as convenient as possible for search and comparison. This approach makes the book not only a scientific tool, but also a practical tool for students, teachers and professionals engaged in the study of aquatic ecosystems. For whom is this book? First of all, it is intended for those who are interested in nature and biology - from high school students and students of biological faculties to professional hydrobiologists and ecologists . Its value is especially evident for researchers involved in water monitoring, as well as for environmental organizations seeking to preserve the wealth of freshwater ecosystems in the region. In addition, the book will be of interest to nature lovers interested in studying the microcosm and wishing to expand their knowledge of the biodiversity of the middle band of the European part of the USSR. The author's style of the team of authors is distinguished by clarity and accessibility, which makes complex scientific concepts understandable even for beginners. At the same time, the book is not devoid of scientific rigor and accuracy, which confirms its status as an authoritative source of information. In general, this publication is the result of many years of research and observations, combined into a systematized and visually attractive format. If you are looking for a book that will help you understand who lives in the fresh waters of your region, and will teach you to recognize the smallest details of their morphology, "Presunwater invertebrates of the middle band of the European part of the USSR. Tables of drawings. “This is exactly what you need.... It will become your reliable companion in the study of nature, expand the horizons of knowledge and open your eyes to the amazing microcosm hidden under the surface of the water. This book is a real bridge between science and curiosity, and it deserves a place on the shelf for anyone who appreciates the richness of natural ecosystems and wants to understand them deeper.