The volume provides a comprehensive overview of the questions and issues currently addressed in philosophy and introduces the main sub-disciplines and periods of the field. The contributions are written by renowned authors and are clear and generally understandable. The following disciplines and periods are covered: aesthetics, ethics, political philosophy, action theory, philosophy of mind, philosophy of language, logic, metaphysics, epistemology, and philosophy of science. It also addresses classical ancient philosophy, medieval philosophy, Renaissance philosophy, classical rationalism, classical empiricism, German idealism, German philosophy from Nietzsche to Heidegger, analytical philosophy from Frege to Wittgenstein, logical positivism, and American post-war philosophy.