- Unit 1 Culture Regions of the World
- Unit 2 Vegetation Zones of North America
- Unit 3 South American Agriculture
- Unit 4 Land Use in Europe Today
- Unit 5 Products of Southwest Asia and North Africa, 2000
- Unit 6 African Political Systems, 2001
- Unit 7 Spread of Hinduism and Buddhism, 500 B.C.E.–C.E. 600
- Unit 8 Cultural Exchange with East Asia Throughout History