A description of the concepts and methods, and an introduction to some of the central problems of the quantum theory of solids, useful as a reference and suitable as a textbook for students who have completed a one-year course in quantum physics and have some familiarity with the experimental facts of solid state physics. The major new topics of this edition (first, 1974) include density functional theory, electronic structure at surfaces, the renormalization group theory of phase transitions, electron photo-emission, the quantum Hall effect, charge density waves, electron transport in disordered and mesoscopic systems, and functional integral and numerical methods in many-body theory. Annotation copyrighted by Book News, Inc., Portland, OR.