Janet McDonnell Poradie kníh (chronologicky)

Discusses ways animals send messages to us and to each other.

Explains how some animals protect themselves from enemies by blending with their background.

Casey visits the zoo and observes a variety of baby animals, including a giraffe, bear, swan, and penguin.

Describes how astronauts aboard the space shuttle eat, drink, sleep, conduct experiments, walk in space, and feel when they arrive back on earth.