. ..a comprehensive text on the modern subject of galaxy formation and evolution. The book is fully self-contained, covering the basic theory in depth, and including the essential background material on observations and the relevant theory from extragalactic astronomy, stellar astrophysics, and cosmology. It will serve as an indispensable reference for students and researchers alike, and is destined to become a classic in this field. - Robert C. Kennicutt, Jr., Plumian Professor of Astronomy and Experimental Philosophy, Director, Institute of Astronomy, University of Cambridge