In cartoon format, uses aliens to explain the science of energy.

Aliens and Energy 2012, Raintree, Oxford

ISBN-13: 9781406242898

Paperback

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Aliens and Energy 2011, Capstone Press, Mankato, MN

ISBN-13: 9781429673259

Trade paperback

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Aliens and Energy 2011, Capstone Press, Mankato, MN

ISBN-13: 9781429665803

Hardcover

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