The seventh edition of Steven Cahn's Classics of Western Philosophy features several major additions, including selections from Plotinus' Enneads, Schopenhauer's The World as Will and Representation, Husserl's Paris Lectures, Wittgenstein's Philosophical Investigations, and a new selection from Hegel's Phenomenology of Spirit. Selections from Aristotle's Metaphysics and On the Soul have been expanded, while Aristotle's Physics and Nicomachean Ethics, Hume's Enquiry Concerning Human Understanding, Mill's On Liberty, and Russell's The Problem of Philosophy have been further abridged. In all, the new edition presents complete texts or substantial selections from fifty-six philosophical masterpieces, in pre-eminent and thoughtfully annotated translations and editions, with introductions by a team of distinguished scholars including Sara Ahbel-Rappe, Richard Bett, Steven Cahn, Charles Guignon, Kathleen Higgins, Patricia Kitcher, Philip W. Kitcher, William Mann, Derek Pereboom, Ruth Anna Putnam, Israel Scheffler, David Shatz, George Sher, David Sherman, Jonathan Vogel, Meredith Williams, and Michael Williams.