PETER SEDGWICK is Senior Lecturer in Philosophy at Cardiff University, UK. He is the editor of Nietzsche: A Critical Reader (Blackwell, 1995), author of Descartes to Derrida: An Introduction to European Philosophy (Blackwell, 2001) and co-author/co-editor with Andrew Edgar of Cultural Theory: The Key Concepts (Routledge, 1999) and Cultural Theory: The Key Thinkers (Routledge, 2002).