The book "Amartya Sen: An Introduction" provides a comprehensive overview of the work of the Indian economist and philosopher Amartya Sen, who is regarded as one of the most significant intellectuals of our time. The author, Christian Neuhäuser, highlights the central themes of Sen's thought, which revolve around the concepts of freedom, justice, and identity. The introduction is divided into four thematic sections: Rationality and Freedom, Development and Freedom, Justice and Freedom, and Identity and Freedom. This structure allows readers to understand Sen's complex ideas and recognize their relevance to modern society. Sen's contributions to social choice theory, foundational economics, and moral philosophy are presented clearly and concisely, making the book a valuable resource for anyone interested in economic and philosophical questions.