Dr. Cozen has attempted to fill a very real need in orthopedic surgery, particularly at the resident level. Any author of a text on difficult orthopedic diagnosis has a problem in selection of topics unless the contents are encyclopedic. Not only would such a text include rare diseases and anomalies and those which require prompt diagnosis but also unusual manifestations of more common entities. Dr. Cozen has attempted to avoid this dilemma by selecting only those diseases which "might jeopardize the patient's course or influence the families decision in regard to prognosis." Even with this restriction in topics some differences in opinion will exist.
The text is easy to read and the organization by anatomic areas and generalized diseases is satisfactory. The presentation of specific entities would be of greater value as a reference if the cardinal features and variants were stated in semi-outline form. Such a format might also