Every member of the profession interested in this special field of pathology should own this atlas and refer to it frequently. The excellent physical format of writing and simplicity in style indicate that the authors are very familiar with their subject. They describe their subject in simple language. The description of the embryology and histology of the hard structures is by anatomic layers as the tooth is seen. The numerous photomicrographs are exceptionally clear.
The classification of odontogenic tumors is on an embryologic basis, whereas odontogenic cysts are discussed on a clinical basis. Soft tissue cysts are inaccurately included in this latter group. For the student, it might be well to classify these tumors uniformly.
The clinical descriptions of diseases involving the soft tissues of the mouth are not as accurate or as complete as the descriptions of the pathology of dental structure per se. Some of the clinical photographs