From head to toe
by Carle, Eric
Encourages the reader to exercise by following the movements of various animals; presented in a question and answer format.

Why must I exercise?
by Gaff, Jackie
Explains the link between exercise and health, finess, and well-being, and includes a number of simple exercises that children can do themselves.

The busy body book : a kid's guide to fitness
by Rockwell, Lizzy.
An introduction to the human body, how it functions, and its need for exercise.

Being active
by Salzmann, Mary Elizabeth
Explains in simple language the importance of regular physical activity.