The Book of K. Marx and F. Engels . Works by . T. 9" is the most important collection of works of two great thinkers who had a decisive influence on the development of political philosophy, economic theory and social science. The authorship of Karl Marx and Friedrich Engels makes this volume an integral part of classical literature, which continues to inspire and arouse interest among scientists, students and all those who seek to understand the deep mechanisms of historical development and social transformation. This volume contains works that reveal the key ideas of Marxist theory, analyze the processes of capitalist economy, class struggle and anticipate social changes. Here you will find not only the theoretical foundations of Marxism, but also the practical recommendations that the authors proposed to change the existing world. This collection is not just a collection of texts, but a living source of knowledge that allows the reader to immerse himself in the intellectual dialogue of two geniuses, their reflections on the future, on the role of labor and the need for revolutionary changes. The Book of K. Marx and F. Engels . Works by . T. 9" is especially valuable for those interested in the history of ideas, economic theories, social justice, and political philosophy. It is suitable for both students and graduate students studying Marxism and activists seeking theoretical support for their beliefs. It will also be of interest to a wide range of readers who want to understand the causes and consequences of social conflicts, as well as the prospects for their resolution. This volume explores topics related to the development of the labor movement, analyzes the role of the state and class structures, addresses issues of historical materialism, and anticipates the ideas that formed the basis of modern social and economic theories. The importance of this book lies in its ability not only to convey the ideas of the authors, but also to make the reader want to rethink the existing order of things, to understand the mechanisms of exploitation and the struggle for equality. The style of Karl Marx and Friedrich Engels is a powerful stream of thought, saturated with arguments and passion, which makes reading especially exciting. Their work is distinguished by clarity and logical consistency, even despite the complexity of the themes. In this collection you will find not only theoretical calculations, but also vivid examples, historical parallels, which helps to better understand the context and relevance of the ideas of the authors. If you are already familiar with the classic works of Marxism or are just beginning your journey into the world of social criticism, this volume will become a valuable source of knowledge for you. It will help to expand horizons, understand the mechanisms of the capitalist system and think about ways of its transformation. In today's world, full of social challenges and economic crises, the ideas of Marx and Engels remain relevant and require careful study. So, "K. Marx and F. Engels . Works by . T. 9" is not just a collection of texts, but a powerful tool for those who are looking for answers to the most important questions of human society. This book is the key to understanding historical processes, the drivers of change and the sources of social justice. It will certainly find a response from those who appreciate deep ideas, an analytical approach and a desire to change the world for the better.