"Human reporduction." . . "Human reproduction Children's non-fiction." . . . . . . . . "Juvenile works"@en . . "Explains human reproduction, looking at puberty, male and female reproductive systems, sexual intercourse, conception, pregnancy and childbirth. Suggested level: intermediate."@en . . . . . "An introduction to human reproduction, including the male and female reproductive systems, sexual feelings and intercourse, conception, pregnancy, delivery and selected animal models of reproduction."@en . . . . . "The production line"@en . "The production line" . . . .