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Wheels and Wings (Child's First Library of Learning)
Wheels and Wings - Child's First Library of Learning Author:Time Life (Editor) Some of the questions posed in the Table of Contents: What makes cars move? Why do people ride in taxis? What is the world's fastest train? Why do we need train tickets? Why does a ship float? What makes a submarine go up and down underwater? How does an airplane fly? How does a hot-air balloon fly?&... more »nbsp; How does the space shuttle get into space? « less