Showers, Paul

Briefly discusses the principles of genetics and heredity, as illustrated by a youngster's family tree.

Describes the process of hearing, during which sound waves travel through the ear and become signals the brain interprets as individual sounds.

A little girl and her father take a quiet walk and identify the sounds around them.

Originally published in English under the title: Look at your eyes. Presents basic facts about the functions of the eye for younger readers.

An informative introduction to skin, what it is and how it protects you, with information on fingernails, toenails, and melanin.

Explains the processes by which a hamburger and other foods are used to make energy, strong bones, and solid muscles as they pass through the digestive system.

A little girl and her father take a quiet walk and identify the sounds around them.

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.

A little girl and her father take a quiet walk and identify the sounds around them.