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303 pages 2005 user-added

nonfiction history science challenging informative medium-paced
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16 hours, 11 minutes audio 2005 user-added

nonfiction history science challenging informative medium-paced

420 pages paperback 2005

nonfiction history science challenging informative medium-paced

364 pages paperback 2005

nonfiction history science challenging informative medium-paced