A creditable survey of the medical field and its various professions, [Medicine in Action] keeps up a record for good nonfiction and provides young interests with an efficient introduction to the world of doctoring and maintaining health. Chapter topics vary as widely as the field itself. There is a study of the teamwork necessary to perform an operation. Information about types of doctors and other medical jobs should help with career decisions. Military medicine, lab research, the miracle drugs, mental health, industrial hygiene, nursing, international health organizations—material on these and more illuminates the topic…. A valuable roundup.