2

Country Flags of Asia

4

Landmarks of Asia

3

Sinkholes of the World

3

Common Birds Book 2

3

Amerigo Vespucci

4

Patsy and Paul at Angkor Wat in Cambodia

3

Coral Reefs of the World

3

Islands of the World

3

Mother Teresa

4

Burj Khalifa, United Arab Emirates

4

Burj Al Arab, United Arab Emirates

3

Gulfs of the World

2

Continents

3

Chinese New Year

4

Kremlin, Russia

3

Drainage Basins of the World

3

Continents of the World

4

The Hmong People

4

Chip's Tips on Russia

3

Isthmuses of the World

3

Vasco da Gama

4

Petra, Jordan

3

Christopher Columbus

3

Capes and Peninsulas of the World

4

Sheikh Zayed Mosque, UAE

4

Chip's Tips on Yemen

4

Taj Mahal, India

3

Genghis Khan

4

Nasir al-Mulk Mosque, Iran

4

Erbil Citadel, Iraq