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358 pages first pub 1986 (editions)

nonfiction science informative reflective slow-paced
Other editions (31)
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466 pages first pub 1986 (editions)

nonfiction science informative reflective slow-paced

496 pages first pub 1986 (editions)

nonfiction science informative reflective slow-paced

496 pages first pub 1986 (editions)

nonfiction science informative reflective slow-paced

468 pages first pub 1986 (editions)

nonfiction science informative reflective slow-paced

468 pages first pub 1986 (editions)

nonfiction science informative reflective slow-paced

419 pages first pub 1986 (editions)

nonfiction science informative reflective slow-paced

340 pages first pub 1986 (editions)

nonfiction science informative reflective slow-paced

351 pages first pub 1986 (editions)

nonfiction science informative reflective slow-paced

491 pages first pub 1986 (editions)

nonfiction science informative reflective slow-paced

14 hours, 41 minutes first pub 1986 (editions)

nonfiction science informative reflective slow-paced