Items related to How Did We Find Out About Our Human Roots? (How Did...

How Did We Find Out About Our Human Roots? (How Did We Find Out Series)

Asimov, Isaac; Wool, David

 
9780802763617: How Did We Find Out About Our Human Roots? (How Did We Find Out Series)

Synopsis

Man's evolution is examined through a study of fossils that have led scientists to theorize that the origin of man was twenty million years ago

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