Dr. Arvid Wallgren, Professor of Pediatrics at the Royal Caroline Medical Institute, Stockholm, Sweden, was the invited guest to give the tenth series of the Abraham Flexner Lectures at Vanderbilt University. During his two months' stay at Vanderbilt University Dr. Wallgren gave five lectures, and it is these that make up the volume described.
The titles of the lectures are as follows: "General Trends in Combating Tuberculosis in Childhood," "BCG Vaccination," "One Thousand Cases of Erythema Nodosum," "The Illegitimate Child in Sweden," "Studies on Infantile Hypertrophic Pyloric Stenosis." Dr. Wallgren is a well-known authority on tuberculosis in children, so it is with special interest that one reads what he has to say about the methods employed in Sweden for the control of tuberculosis among children. He is a staunch advocate for the use of BCG vaccination, and pediatricians and public health workers in this country, where BCG has not been