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Author
Series
Publisher
Houghton Mifflin Books for Children
Pub. Date
2012
Accelerated Reader
IL: MG - BL: 6.4 - AR Pts: 3
Language
English
Description
The story of the two robot vehicles, Spirit and Opportunity, that were sent to explore Mars, lasting far past their projected lives of three months and sending back invaluable images of the environmentally hostile planet.
Author
Series
Publisher
Houghton Mifflin Books for Children
Pub. Date
2013
Accelerated Reader
IL: MG - BL: 6.9 - AR Pts: 3
Language
English
Description
An account of the work of volcanologists Andy Lockhart, John Pallister, and their team describes their life-risking efforts to investigate dangerous volcanoes that pose threats to more than one billion people worldwide.
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