Douglas, Lloyd G

Describes traits which make the eagle a good symbol for the United States, briefly explains how the eagle was chosen, and lists some of the places the symbol appears.

Uses easy-to-read text to introduce the Liberty Bell as an American symbol.

A simple introduction to the humpback whale and its life.

Illustrations and text describe different examples of the use of simple machines known as wedges.

Illustrations and text describe different examples of the use of simple machines known as screws.

Describes simple machines called planes or ramps and how they are used to make work easier.

Discusses the symbolism of the flag of the United States, and looks at how it has changed throughout the history of the country.

Introduces the Pledge of Allegiance as an American symbol in easy-to-read text.

Uses simple text to introduce the Statute of Liberty as an American symbol of freedom.