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447 pages first pub 1999 (editions)

nonfiction science challenging informative slow-paced
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464 pages first pub 1999 (editions)

nonfiction science challenging informative slow-paced

464 pages first pub 1999 (editions)

nonfiction science challenging informative slow-paced

464 pages first pub 1999 (editions)

nonfiction science challenging informative slow-paced

15 hours, 34 minutes first pub 1999 (editions)

nonfiction science challenging informative slow-paced

448 pages first pub 1999 (editions)

nonfiction science challenging informative slow-paced

396 pages first pub 1999 (editions)

nonfiction science challenging informative slow-paced

464 pages first pub 1999 (editions)

nonfiction science challenging informative slow-paced

640 pages first pub 1999 (editions)

nonfiction science challenging informative slow-paced

448 pages first pub 1999 (editions) user-added

nonfiction science challenging informative slow-paced

395 pages first pub 1999 (editions)

nonfiction science challenging informative slow-paced