"Socialism: Utopian and Scientific" is the work of the outstanding Marxist philosopher Friedrich Engels, which is considered a classic work in the theory of socialism. In this book, the author explores the development of socialist ideas, revealing the difference between "utopian" and "scientific" socialism. Engels analyzes the historical conditions and causes of the emergence of socialism, justifying its necessity to overcome class contradictions in society. This book is an important addition to Karl Marx's Capital and reveals the key principles of socialist theory.