An introduction to the planets Earth and Mars, including their size, features, and orbits, and explorations of Mars.

Earth and Mars 2012, QEB Publishing, Mankato, MN

ISBN-13: 9781609923198

Hardcover

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Earth and Mars 2009, QED Publishing, London

ISBN-13: 9781848350687

Paperback

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Earth and Mars 2008, QEB Publishing

ISBN-13: 9781595665805

Hardcover

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