"This is an excellent introduction to contemporary issues in the metaphysics of mind, covering all the major twentieth century theories of mind and most of the questions and arguments that have occupied us for the past few decades. It is clearly and engagingly written, full of illuminating examples, wise warnings, and provocative arguments." William G. Lycan, University of North Carolina "By covering a wide range of topics in a lively and entertaining style, Rey has written a book that is ideal for student use." Kenneth Taylor, Stanford University