A comparative, illustrated discussion of the reproductive systems and process in flowers, chickens, dogs, and humans; explains how babies are conceived and born.
Using simple text this mini book offers an introduction to where babies come from, written with the aim of helping to answer children's questions.
An entertaining first sex education title, in picture book format.
Explores the mating habits and reproductive process of several members of the plant and animal kingdoms.
Biological Components of Human Reproduction: Studies of Their Variations in Population Groups: Report of a W. H. O. Scientific Group