"Sex Education." . . "Growth Juvenile Literature." . . "Senn, Milton J.E" . . . . "Senn, Milton J.E (1902- )" . . . "What's happening to me?"@en . "What's happening to me?" . "Juvenile works" . . . . "What's happening to me? Sex education for the teenager" . . . . . . "Juvenile Literature" . . . . "What's happening to me? : sex education for the teen-ager"@en . . . . . . . . . . . . "Explains the physical and emotional changes which occur during adolescence and defines conception, pregnancy, birth, and the influence of heredity. Also discusses getting along with the opposite sex and dating."@en . "Explains the physical and emotional changes which occur during adolescence and defines conception, pregnancy, birth, and the influence of heredity. Also discusses getting along with the opposite sex and dating." . "What's happening to me; sex education for the teen-ager"@en . "What's happening to me? Prepared for the Joint Committee on Health Problems in Education of the National Education Association and the American Medical Association, by Marion O. Lerri [and] Helen Southard; medical consultant: Milton J.E. Senn" . . . .