Offers a clear introduction to the core ideas in Marx's philosophy and thinking~Includes a new chapter showing how these theories can be applied to twenty first century politics and society, and considers whether they still hold true~Provides a history of Marx's life, and considers his lasting impact on political, economic, and social thinking~Authored by one of the best known philosophers of the twentieth century, famous for his pioneering and often controversial work in animal rights~Part of the Very Short Introductions series - over nine million copies sold worldwide