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Current edition

240 pages hardcover 2009

nonfiction science challenging funny informative slow-paced
Other editions (8)
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296 pages paperback 2009

nonfiction science challenging funny informative slow-paced

296 pages 2009

nonfiction science challenging funny informative slow-paced

241 pages paperback 2009

nonfiction science challenging funny informative slow-paced

288 pages hardcover 2009

nonfiction science challenging funny informative slow-paced

222 pages paperback 2009

nonfiction science challenging funny informative slow-paced

260 pages digital 2009 user-added

nonfiction science challenging funny informative slow-paced

missing page info paperback 2009

nonfiction science challenging funny informative slow-paced

325 pages hardcover 2009

nonfiction science challenging funny informative slow-paced