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416 pages first pub 2010 (editions)

nonfiction science adventurous funny informative slow-paced
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260 pages first pub 2010 (editions)

nonfiction science adventurous funny informative slow-paced

260 pages first pub 2010 (editions)

nonfiction science adventurous funny informative slow-paced

276 pages first pub 2010 (editions) user-added

nonfiction science adventurous funny informative slow-paced