4

Niagara Falls

4

Maddy's North Carolina Diary

4

The Plains Indians People

2

Giddy Up, Cowgirls!

3

Confucius

2

Treeless Plains! Steppe

4

Maddy's Delaware Diary

3

Nathan the Whale

3

Wetlands of the World

2

Prince Troy's Voyage

3

Magnetism

3

Sacagawea

2

At the Farm