• Treasures of the Earth (1988)
• Riches of the Earth (1987)
• Rock, Ice and Oil (1987)
• Geologic Time (1987)
• Drifting Continents (1989)
• Volcanoes: Volcanic Iceland (1989)
• Frontiers of Geology (1989)
• Rocks and Minerals: The Hard Facts (1988)
• Voyager (1983)
• The Miracle Planet (1990)
• Bryce Canyon & Kodachrome Basin (1991)
• Gemstones of America (1991)
• Discovering Our Planet Earth (1989)
• Discovering the Changing Surface of Our Earth (1991)
• Discovering Our Rivers, Lakes, and Oceans (1991)
• Earthquakes (1990)
• Geysers and Hot Springs (1990)
• Faulting and Folding (1990)
• Weathering and Erosion (1990)
• Running Water: Erosion, Deposition, and Transportation (1990)
• Geomorphology: A Study of the Shape of the Land (1990)
• Volcanoes of the United States (1990)
• An Introduction to Rocks and Minerals (1990)
• Explosion of Mt. St. Helen's (1990)
• The Rock Cycle (1990)

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