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Current edition

420 pages paperback 2014

nonfiction science challenging informative medium-paced
Other editions (4)
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448 pages paperback 2014

nonfiction science challenging informative medium-paced

448 pages digital 2014

nonfiction science challenging informative medium-paced

380 pages 2014

nonfiction science challenging informative medium-paced

426 pages paperback 2014

nonfiction science challenging informative medium-paced