4

Maddy's Kentucky Diary

4

Maddy's Tennessee Diary

4

Maddy's Indiana Diary

3

Sinkholes of the World

3

Caves of the World

4

Famous Americans: Abraham Lincoln

3

Daniel Boone

3

Coastal Plains of the World

4

Maddy's West Virginia Diary

4

Maddy's Virginia Diary

4

Maddy's Ohio Diary

4

Maddy's Missouri Diary

4

Maddy's Illinois Diary

2

Map of the United States of America

4

Maddy's Delaware Diary

4

Canterbury Cathedral, Canterbury, England

4

Chip's Tips on Ghana

3

Christopher Columbus