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Current edition

392 pages paperback 2009

nonfiction science challenging informative lighthearted slow-paced
Other editions (5)
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296 pages hardcover 2009

nonfiction science informative lighthearted slow-paced

296 pages 2009

nonfiction science informative lighthearted slow-paced

306 pages hardcover 2009

nonfiction science informative lighthearted slow-paced

306 pages paperback 2009

nonfiction science informative lighthearted slow-paced

412 pages hardcover 2009

nonfiction science informative lighthearted slow-paced