During the past 20 or so years, advances in the understanding and treatment of tuberculosis have appeared at a great rate. The volume of journalistic outpouring threatened to overwhelm students of the subject. A great need arose for organization and presentation of this material in condensed form. As a statement of standardization, this book has advantages of simplicity and clarity although difference of opinion is not excluded. The references are ample and well chosen but not encyclopedic. The editors, editorial committee, and contributing authors have produced a most welcome textbook.
In addition to an analysis of pulmonary tuberculosis, there are sections on extra pulmonary tuberculosis, tuberculosis associated with other diseases, the unclassified mycobacteria, rehabilitation, and tuberculosis control.
It is inevitable and perhaps desirable that when ideas change rapidly, procedures and attitudes of the past should disappear slowly. The need for careful evaluation of the new before discarding the old explains