4

Famous Americans: Benjamin Franklin

3

Famous People - Part 2

3

Famous People - Part 1

4

Famous Americans: Thomas Jefferson

3

Famous Explorers

4

Famous Americans: Abraham Lincoln

4

Famous Americans: George Washington

3

Marco Polo

3

Harriet Tubman

3

Rivers of the World

3

Bays of the World

3

Daniel Boone

3

Napoleon Bonaparte

3

Genghis Khan

4

Chip's Tips on Malta

3

Astronauts

3

David Livingstone

4

Chip's Tips on Honduras

3

James Cook

3

Inventors and Inventions

4

Chip's Tips on Brazil

4

Volcanoes

4

After the American Civil War

3

Comets

4

Chip's Tips on Equatorial Guinea

3

Charles Darwin

3

Galaxies

4

Chip's Tips on Senegal

3

Fjords of the World

4

Chip's Tips on The Dominican Republic