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791 pages first pub 1871 (editions)

nonfiction science challenging informative reflective slow-paced
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796 pages first pub 1871 (editions)

nonfiction science challenging informative reflective slow-paced

810 pages first pub 1871 (editions)

nonfiction science challenging informative reflective slow-paced

464 pages first pub 1871 (editions)

nonfiction science challenging informative reflective slow-paced

448 pages first pub 1871 (editions)

nonfiction science challenging informative reflective slow-paced

496 pages first pub 1871 (editions)

nonfiction science challenging informative reflective slow-paced

698 pages first pub 1871 (editions)

nonfiction science challenging informative reflective slow-paced

263 pages first pub 1871 (editions)

nonfiction science challenging informative reflective slow-paced

960 pages first pub 1871 (editions)

nonfiction science challenging informative reflective slow-paced

136 pages first pub 1871 (editions)

nonfiction science challenging informative reflective slow-paced

454 pages first pub 1871 (editions)

nonfiction science challenging informative reflective slow-paced