Graf, Mike

A very brief introduction to the geography, various regions, natural resources, people, and wildlife of Europe.

A very brief introduction to the geography and various regions of Asia, the largest and most populous continent in the world.

An introduction to the geography, various regions, natural resources, people, and wildlife of Africa, the world's second largest continent.

Describes the landscape, culture, food, animals, sports, and holidays of Switzerland.

Provides information about tornadoes, how they form, and the damage they cause, through the story of Tim, a student and weather watcher who gives a report on tornadoes just before one touches down in his town.

Introduces young adults to the sport of rock climbing, describing basic techniques, equipment, and safety concerns.

Explains the water cycle, focusing the scientific process by which water is used to create energy.

Discusses cave geology and spelunking, the sport of cave exploration.

Presents an introduction to Zion National Park, explaining how the park's rocks and canyons formed; discussing the plants, animals, weather conditions, and people of the region; and looking at park activities and issues.