The book "Social Democracy in the Modern World: Materials of the International Scientific and Practical Conference "Crisis of the European Social Demo", collected under the editorship of B. I. Schweitzer, represents an important contribution to the study of topical issues relating to social democratic movements and their role in modern society. This collection of materials, prepared as a result of the discussions at the international conference, offers the reader a unique opportunity to plunge into the complex and multifaceted aspects of social democracy, its crisis and possible ways of development. The book is addressed to a wide range of readers: from students and graduate students studying political science and sociology to professionals in the field of politics, sociology and economics. It will be interesting for those who want to understand how social democracy adapts to the challenges of modernity, how it responds to changes in the political landscape of Europe and the world as a whole. Readers interested in issues of social justice, human rights and sustainable development will find in this book many valuable ideas and analytical materials. The topics raised in the collection cover a wide range of issues, including the analysis of the crisis of European Social Democratic parties, their interaction with other political forces and the impact of globalization on social democratic ideology. The authors discuss how contemporary challenges, such as economic crises, migration flows, and climate change, affect social democratic movements and their agendas. The book also addresses issues of identity, gender, and racial justice, making it particularly relevant in the context of contemporary social movements. The style in which the book is written is distinguished by academic rigor and at the same time accessibility. The authors use rich factual material and examples from real practice, which allows the reader not only to get acquainted with the theoretical aspects, but also to see how these ideas are implemented in life. In. I. Schweitzer, known for his work in political theory and sociology, brings to the collection his unique view of the problems that concern Social Democracy today. His previous works, such as Political Culture and Democracy and Social Movements in the Post-Soviet Space, also highlight his deep understanding of political processes and social change. The book “Social Democracy in the Modern World” becomes an important source of knowledge for all who are interested in political science, sociology and modern social movements. It will help readers not only to better understand what is happening with social democracy in the modern world, but also to think about how these changes can affect the future of society. If you are looking for literature that combines in-depth analysis, relevant topics and rich experience of the authors, then this collection will be an excellent choice. Not only will it broaden your horizons, but it will inspire you to think about how you can build a more just and sustainable society. Do not miss the opportunity to get acquainted with this important work, which opens up new prospects for understanding social democracy in our world.