Before you were a baby
Paul Showers (Author), Kay Sperry Showers (Author), Ingrid Fetz (Illustrator)
Describes briefly the male and female reproductive system, the union of the sperm and ovum, and the stages in the development of the baby in the womb
Print Book, English, ©1968
T.Y. Crowell, New York, ©1968
33 pages : illustrations (some color) ; 21 x 23 cm.
9780690128819, 9780690128826, 0690128819, 0690128827