The best-selling dermatology manual for medical students, residents, and primary care practitioners, Sauer's Manual of Skin Diseases is in its revised, updated Ninth Edition. It provides step-by-step instructions and algorithms for diagnosis and treatment of all common skin conditions. Unique features include more than 400 full-color photographs; diagnostic algorithms based on site and type of lesion and age of patient; chapters on cosmetics and tropical diseases; a formulary; and a comprehensive dictionary-index of skin diseases. This edition includes new chapters on malignant melanoma, bioterrorism, dermatoses in pregnancy, sports medicine dermatology, and psychodermatology, plus timely information on dermatologic reactions to drugs.