Books with author Robert Updegraff

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Explains the earth's climate and continental formation and illustrates the changes that have occurred

Provides a before-and-after view of the formation of mountains, rocks, valleys, and erosion

Discusses water, seas, and oceans and shows the changes that occur on the shore, with tides, and in sea beds

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Brief explanations of rivers, drainage basins, erosion, glaciers, and lakes.

An introduction to weather and such elements of it as rain, wind, fronts, storms, hurricanes, and tornadoes.

Describes how mountains and valleys are formed and ways erosion occurs.

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