Tropical sprue—studies of the U. S. Army's sprue team in Puerto Rico: Edited by Lt. Colonel William H. Crosby, MC. Washington, D. C., 1959, Medical Science Publication No. 5, Walter Reed Army Institute of Research. Pp. 355, not indexed. Price $1.75. On sale by the Superintendent of Documents, U. S. Government Printing Office, Washington 25, D. C.