The book is a complete collection of works .. T. 15" is the most important volume in the extensive collection of works by Vladimir Ilyich Lenin, one of the most influential and controversial figures of the 20th century. This volume contains works that highlight key moments in the development of Marxist theory and practice, as well as analyze the political situation in Russia and the world in the early 20th century. The reader will be able to immerse himself in Lenin's profound reflections on the revolution, the class struggle, and the role of the party in the historical process. Volume 15 includes many articles, letters and notes that will help to understand how Lenin shaped his views on socialism and how these ideas influenced the course of history. An important part of this volume is his works devoted to the organization of the workers' movement, the role of the intelligentsia and the need for theoretical training of revolutionaries. Lenin not only analyzes current events, but also offers practical recommendations that remain relevant today. This book will be of interest not only to historians and political scientists, but also to everyone who is interested in the history of Russia, socialism and revolutionary movements. It can attract the attention of students, teachers, as well as history lovers who want to understand the mechanisms that led to radical changes in society. Readers interested in topics such as class struggle, political theory, and the history of the working-class movement will find in this volume many valuable ideas and concepts. Lenin in his works raises important questions concerning not only the political struggle, but also the philosophical foundations of Marxism. His writing style is clear and logical, which makes complex ideas available to a wide audience. Unlike many of his contemporaries, Lenin was able to combine theory with practice, which makes his works not only historically significant, but also relevant to modern discussions about politics and society. In addition, the "Complete Collection of Works . T. 15" is part of a wider series that includes many other volumes, each of which covers different aspects of Lenin's life and work. By reading this book, you can not only deepen your knowledge of Lenin as a theoretician and practical revolutionary, but also see how his ideas have evolved over time. This provides an opportunity to better understand how historical events shaped his views and decisions. If you are looking for literature that will help you understand the complex issues of political theory and history, then this volume will be an excellent choice. It will not only enrich your knowledge, but will also make you think about how ideas can influence the fate of entire peoples. Readers interested in works such as "State and Revolution" or "What to do?" will find in this volume many cross topics and ideas that will help them to understand Lenin's thought more deeply. Thus, the "Complete Collection of Works . T. 15" is not just a book, but a whole world of ideas and reflections that continue to be relevant to this day. It offers the reader the opportunity not only to learn about the past, but also to ask important questions about the future. If you are ready for this intellectual journey, then this volume will become your reliable companion in the world of political thought.