3

Christopher Columbus

4

Chip's Tips on United States

4

Chip's Tips on The Dominican Republic

4

An Introduction to the History of the United States of America

4

Maddy's Ohio Diary

4

Chip's Tips on Jamaica

3

Gulfs of the World

4

Maddy's Georgia Diary

4

The Plains Indians People

4

Early North American Settlers

3

Juan Ponce de León

4

Patsy and Paul at Machu Picchu in Peru

3

Famous Explorers

3

Vasco da Gama

3

Amerigo Vespucci

4

Maddy's Washington, D.C. Diary