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304 pages first pub 2008 (editions)

nonfiction nature science informative slow-paced
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291 pages first pub 2008 (editions)

nonfiction nature science informative slow-paced

291 pages first pub 2008 (editions)

nonfiction nature science informative slow-paced

291 pages first pub 2008 (editions) user-added

nonfiction nature science informative slow-paced