This classic text covers over 700 different genetic syndromes involving the head and neck, and has established itself as the definitive, comprehensive work on the subject. The discussion covers the phenotype spectrum, epidemiology, mode of inheritance, pathogenesis, and clinical profile of each condition, all of which is accompanied by a wealth of illustrations. The authors are recognized leaders in the field, and their vast knowledge and strong clinical judgment will help readers make sense of this complex and burgeoning field. As in all fields of genetics, there has been an explosion in the genetics of dysmorphology syndromes, and the authors have completely updated all chapters in light of the discoveries of the Human Genome Project and other ongoing advances. New syndromes have been added and information on existing syndromes has been revised.