In the preface to his book the author makes the following statement: "This is not intended to be a book of reference, an encyclopedic treatise on allergy or dermatologic allergy. My objective has not been a presentation for the expert, for the immunologist, the allergist or the dermatologist who is well acquainted with this subject; this book is intended to be only a primer, an introduction to dermatologic allergy, in the form of lectures based on those I have been giving to beginners." The volume is rather more than the author promises. There are fourteen chapters. Each one represents a well organized lecture and deals with a single phase of a complicated subject. The writing is as simple as possible; particularly clear are the definitions of terms used and the descriptions of technics to be employed. A few select bibliographic references are given at the end of each lecture to