The book “Lakes and sapropelite deposits of the Valdai Highlands” is a unique publication created by a team of authors that immerses the reader in the fascinating world of geography, ecology and natural resources of one of the most picturesque regions of Russia. The Valdai Highland, known for its picturesque lakes and rich sapropelite deposits, is becoming a center of research, allowing the reader not only to learn about natural features, but also to realize the importance of preserving this unique heritage. This book will be of interest not only to specialists in the field of ecology and geology, but also to a wide range of readers, including students, teachers, as well as everyone who is interested in nature and environmental problems. The age range of readers can range from high school students to adults seeking to expand their knowledge of nature and ecosystems. It will especially attract the attention of those who are fond of travel, ecology and environmental protection. The book examines various aspects related to lakes and sapropelites - from their formation and ecosystems to economic significance and methods of their research. The authors raise important topics, such as the impact of human activities on natural resources, the need for their rational use and protection. The reader will be able to learn about how organic-rich sapropelites can be used in agriculture, medicine, and even cosmetology, making them a valuable resource for future generations. The style of the authors is distinguished by scientific accuracy, but at the same time it is accessible and understandable to a wide audience. They skillfully combine facts and data with vivid descriptions of nature, which makes reading not only informative, but also fascinating. The book is filled with illustrations, maps and photographs that help to visualize the objects described and deepen understanding of the material. This makes the publication not just a scientific work, but a real guide to the Valdai Highlands .. If you are looking for books on ecology, geography or natural resources, “Lake and sapropelite deposits of the Valdai Highlands” will be an excellent choice. It may be of interest to those who are already familiar with the works of such authors as Viktor Petrovich Glushkov or Anatoly Ivanovich Sidorov, and wants to deepen their knowledge of the natural resources of Russia. The book not only informs, but also inspires action, encouraging the reader to reflect on the importance of taking care of nature and preserving its wealth for future generations. It will be a valuable addition to the library of everyone who is interested in the world around him, his beauty and vulnerability. In the end, “Lakes and Sappropelite Deposits of the Valdai Highlands” is not just a book, but an invitation to explore and comprehend our place in nature.