An excellent symposium concerning investigative dermatology was held in Cambridge, England, in the autumn of 1963 and was attended by many fluent, thoughtful, and stimulating investigators. They discussed collagen, capillaries, fat, keratin, hair, blisters, repair, aging, and epidermal barrier and reviewed some new techniques in research; they contributed 46 uniformly commendable papers.
Because each section is introduced by a thorough review of the problem, the book may be especially useful to students of clinical dermatology. The reader is not required to have a detailed knowledge of research methods. For example, Spearman's introduction to the genetics of keratinization and Breathnach's discussion of the dermo-epidermal junction are cogent and readable reviews. Lasnitzki has summarized recent applications of organ-culture methods to the study of the skin. The treatment of explanted epidermis with hydrocortisone, vitamin A, or certain allergens or carcinogens produced interesting results, most of which were published in journals not regularly con