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336 pages first pub 2000 (editions)

nonfiction science informative reflective slow-paced
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336 pages first pub 2000 (editions)

nonfiction science informative reflective slow-paced

337 pages first pub 2000 (editions)

nonfiction science informative reflective slow-paced

336 pages first pub 2000 (editions)

nonfiction science informative reflective slow-paced