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421 pages paperback 2006

nonfiction history science challenging informative reflective slow-paced
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421 pages 2006

nonfiction history science challenging informative reflective slow-paced

421 pages hardcover 2006

nonfiction history science challenging informative reflective slow-paced

15 hours, 20 minutes audio 2006

nonfiction history science challenging informative reflective slow-paced