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pated. Those in Group II underwent “sham operation” in order to test the soft tissue trauma. Group III consisted of control subjects, which were not operated on. Facial de- velopment of the cats was observed roentgenologically between the ages of two and a half months and 13 months, when growth had subsided.

The histologic specimens of the palates of the Group I cats showed a persistent submucous separation between the basal parts of the nasal septum-vomer and halves of the hard palate, without a septopremaxillary ligament being found. In Groups II and III, an unobliterated septo-midpalatal suture system was present, but a liga- ment between the nasal septum and premaxilla could not be seen. No significant difference in growth of the middle face in anteroposterior and vertical directions could be detected in comparing the three groups.

In conclusion, resection of the basal parts of the nasal septum-vomer in an animal model showing “human-like” septo-palatal structure does not seem to interfere with the growth of the middle face. Surgical correction of nasal septal deviations in children might therefore be advis- able.-ROBERT C. HOBBS

NEW BOOK ANNOTATIONS Craniofacial Biology Carlson DS (ed). Monograph No. 10, Craniofacial Growth Series. Ann Arbor, Center foi Growth and Development, The University of Michigan, 1981

This monograph by experts in the field contains 11 pa- pers dealing with various aspects of craniofacial growth and development. Current experimental approaches are addressed, considerable emphasis being placed on studies involving the mandible. The papers, which are well annotated, provide a broad perspective of current re- search in the field.

A Colour Atlas of Oral Cancers. Burkhardt A, Maerker R. Chicago, Year Book Medical Publishers Inc, 1981, 186 pp, illustrated in color

The normal mucosa, leukoplakia and erythroplasia, carcinoma, and lesions to be considered in differential diagnosis are all beautifully illustrated. Clinical and his- tologic pictures are presented on facing pages for easy comparison. Brief suggestions for therapy are provided for each condition.

Operative Plastic and Reconstructive Surgery. Barron JN, Saad MN (eds). New York, Churchill Livingstone Inc, 1980, 2 volumes, 919 pp, illustrated, $169.00

These practical books concisely describe a variety of operations, using minimal text and large numbers of il- lustrations. Volume I, containing chapters on micro- surgery, cleft lip and palate, mandibular and maxillary deformities, major craniofacial anomalies, temporoman- dibular joint, maxillofacial fractures, intraoral carcinoma, facial palsy, and salivary gland pathology, should be of greatest interest to the oral and maxillofacial surgeon. There are also chapters on general principles and basic techniques, and regional and local anesthesia.

Anthropometry of the Head and Face in Medicine. Far- kas LG. New York, Elsevier-North Holland Inc, 1981, 293 pp, illustrated, $59.50

Accurate anthropometric data on the growing human face provide a baseline for determining normal and ab- normal physiognomy. One hundred and eighty-two tables cover measurements in normal healthy persons 6 to 18 years old, normal healthy adults, and patients with various asymmetries. Also covered are anthropometry in clinical practice, photogrammetry, analysis of an- thropometric and anthroposcopic data, and age-related changes in measurement. Such information can be ex- tremely helpful in the identification and classification of craniofacial anomalies and syndromes, particularly when subtle changes exist.

Advances in the Management of Cleft Palate. Edwards M, Watson ACH (eds). New York, Churchill Livingstone Inc, 1981, 298 pp, illustrated, $30.00

This is an up-to-date review of the various aspects of the current management of cleft lip and palate by an interdisciplinary group of specialists from Europe, the United States, and Canada. Surgical techniques for treating unilateral and bilateral cleft lip, alveolar clefts, and clefts of the hard and soft palate are described and illustrated. Chapters on psychosocial, orthodontic, and prosthodontic aspects and on speech evaluation and ther- apy are also included.

The Facial Palsies. Moldaver J, Conley J. Springfield, Charles C Thomas, 1980, 258 pp, illustrated, $35.75

This monograph offers detailed coverage of the etiol- ogy, physiopathology, and treatment of the various fa- cial palsies. Emphasis is placed on precise diagnosis and conservatism in surgical therapy. Chapters on basic aspects of neural and muscular anatomy, physiology, and pathology complement the clinical discussions and add to their understanding.

Teaching Techniques: A Handbook for Health Profes- sionals. Foley RP, Smilansky J. New York, McGraw-Hill Inc, 1980, 180 pp, paperback

This book is intended to help health professionals in any discipline to improve their teaching capabilities. The first five chapters focus on teaching techniques and deal with lecturing, use of questions, group discussion, pro- moting clinical problem-solving, and skill lessons. The final chapter discusses a systematic process for develop- ing a course. Each chapter includes planning guides and suggestions for improving the delivery of instruction.

Oral Premalignancy. Mackenzie IC, Dabelsteen E, Squier CA (eds). Iowa City, University of Iowa Press, 1980, 353 pp, illustrated, $32.50

A thorough and up-to-date appraisal of oral premalig- nancy is provided in the chapters in this text. Part One deals with clinical and histologic concepts, Part Two with etiology, Part Three with models for studying changes in premalignancy, Part Four with patterns of normal and abnormal cell behavior, and Part Five with diagnosis and prognosis. The various chapters were written by the par- ticipants in the First Dows Symposium, which included both pathologists and basic scientists from the United States and Europe.