4

Chip's Tips on Thailand

3

Rivers of the World

4

Chip's Tips on Laos

3

Bays of the World

4

America in the 20th Century

4

Tornadoes

4

Patsy and Paul at Angkor Wat in Cambodia

3

Cuisines of the World

1

Weather Signs

3

Rabindranath Tagore

2

Country Flags of Asia

3

Gulfs of the World

3

Capes and Peninsulas of the World

2

The Wonderful World of Water

1

Weather Signs

3

Isthmuses of the World

4

The Hmong People

4

Gorillas and Other Primates