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13 hours, 18 minutes first pub 1994 (editions)

nonfiction science challenging informative reflective slow-paced
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381 pages first pub 1994 (editions)

nonfiction science challenging informative reflective slow-paced

missing duration info first pub 1994 (editions)

nonfiction science challenging informative reflective slow-paced

429 pages first pub 1994 (editions)

nonfiction science challenging informative reflective slow-paced

374 pages first pub 1994 (editions)

nonfiction science challenging informative reflective slow-paced

missing duration info first pub 1994 (editions)

nonfiction science challenging informative reflective slow-paced

564 pages first pub 1994 (editions)

nonfiction science challenging informative reflective slow-paced

480 pages first pub 1994 (editions)

nonfiction science challenging informative reflective slow-paced

312 pages first pub 1994 (editions)

nonfiction science challenging informative reflective slow-paced

384 pages first pub 1994 (editions)

nonfiction science challenging informative reflective slow-paced

320 pages first pub 1994 (editions)

nonfiction science challenging informative reflective slow-paced