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560 pages first pub 1999 (editions)

nonfiction biography science informative slow-paced
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580 pages first pub 1999 (editions)

nonfiction biography science informative slow-paced

540 pages first pub 1999 (editions)

nonfiction biography science informative slow-paced

580 pages first pub 1999 (editions)

nonfiction biography science informative slow-paced

620 pages first pub 1999 (editions)

nonfiction biography science informative slow-paced