2

Country Flags of Asia

4

Chip's Tips on Yemen

4

Angkor Wat, Cambodia

3

Trenches of the World

4

Chip's Tips on Russia

3

Christopher Columbus

3

Straits of the World

4

Forbidden City, China

3

Common Birds Book 2

3

The Winklers' Holiday on Zoo Lovers Day

3

Diwali

4

Burj Al Arab, United Arab Emirates

3

Continents of the World

3

Coral Reefs of the World

3

Capes and Peninsulas of the World

4

Chip's Tips on Finland

4

Golden Temple, India

3

Harbors of the World

4

Chip's Tips on Thailand

3

Juan Ponce de León

4

Taj Mahal, India

3

The Winklers' Holiday on Zoo Lovers Day

4

Erbil Citadel, Iraq

3

Sinkholes of the World

4

The Pygmy People

4

Chip's Tips on Oman

4

Chip's Tips on Laos

4

The Dome of Rock, Jerusalem

3

Marco Polo

4

Petronas Twin Towers, Malaysia