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336 pages first pub 2001 (editions)

nonfiction biography science challenging informative slow-paced
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336 pages first pub 2001 (editions)

nonfiction biography science challenging informative slow-paced

336 pages first pub 2001 (editions)

nonfiction biography science challenging informative slow-paced

259 pages first pub 2001 (editions)

nonfiction biography science challenging informative slow-paced