Stein has presented in a readable style the subject of diseases of the hair and cosmetic ailments of the skin. The work is divided into two parts: Part A deals with diseases of the hair, which are discussed under the topics of the hair covering of man, excessive hair growth, defects in hair covering and the hair shaft, mechanical disturbances of the hair shaft, the saprophytes that involve the hair shaft, and hair loss. The latter is divided into two separate topics: conditions that affect the mature hair and conditions affecting the hair papillae. Part B deals with the cosmetic diseases of the skin, which are discussed under the headings of nevi, tumors, scars and keloids, hyperpigmentation and depigmentation, anomalies in secretion of the sebaceous glands, anomalies in secretion of the sweat glands, angioneurosis, hyperkeratosis, and senile changes and correction of wrinkling of the face. The book treats the subject