UUM Activities in the Altai (1917 - 1941 . ). The collection of documents”, created by the team of authors, is a unique publication that immerses the reader in a complex and multifaceted period of Russian history. This collection of documents covers the most important events and processes that took place in Altai in the framework of the activities of the Office of the Accounting and Statistical Mechanism (UMM) in the years from 1917 to 1941. This time, saturated with political, social and economic changes, becomes the background for in-depth analysis and understanding of local history. The book will be of interest not only to historians and researchers, but also to a wide audience, including students, teachers, as well as anyone interested in the history of Russia, especially in the context of regional processes. Readers interested in the topics of revolution, civil war and the formation of Soviet power will find in this collection a lot of valuable materials that will help to better understand how these events affected the lives of people in the Altai Territory. The collection includes a variety of documents, such as reports, minutes of meetings, letters and other materials that allow you to see how the UUM functioned in Altai in a changing political environment. These documents not only illustrate the activities of management, but also provide the reader with a picture of the life of society of that time: from the struggle for power to the everyday concerns of ordinary people. Reading these materials, you can feel the atmosphere of those years, to understand how changes occurred in the social structure, economy and culture of the region. The topics raised in the book concern not only historical events, but also deeper issues, such as the impact of public policy on the life of society, the interaction of power and people, as well as the role of regions in the formation of national identity. These aspects make the collection relevant for modern readers who seek to understand how history shapes our present. The style of the authors is characterized by careful study of sources and attention to detail. Not only do they present facts, but they also offer analysis that helps the reader make sense of what is read. The team of authors includes specialists in the field of history, archival affairs and cultural studies, which gives the book scientific value and reliability. "UUM activities in Altai (1917 - 1941 . )" will be an important contribution to the study of regional history and will be useful for both professional historians and amateurs. This publication can serve as a basis for further research and discussion, as well as inspire new researchers to study little-known aspects of Russian history. If you are interested in such topics as “the history of Altai”, “Soviet power”, “documents of the 20th century”, or you are looking for materials for scientific work, this collection will become an indispensable source of information. The book opens the door to the past, allowing the modern reader to better understand how the history of our people was formed and what lessons we can learn from it today. Do not miss the opportunity to touch the history and learn more about how the events of those years influenced the fate of people and entire regions.