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352 pages first pub 1997 (editions)

nonfiction science challenging informative slow-paced
Other editions (5)
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338 pages first pub 1997 (editions)

nonfiction science challenging informative slow-paced

415 pages first pub 1997 (editions)

nonfiction science challenging informative slow-paced

352 pages first pub 1997 (editions)

nonfiction science challenging informative slow-paced

434 pages first pub 1997 (editions)

nonfiction science challenging informative slow-paced

416 pages first pub 1997 (editions)

nonfiction science challenging informative slow-paced