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missing page info first pub 1985 (editions)

nonfiction nature reference science adventurous informative medium-paced
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368 pages first pub 1985 (editions)

nonfiction nature reference science adventurous informative medium-paced

368 pages first pub 1985 (editions)

nonfiction nature reference science adventurous informative medium-paced

368 pages first pub 1985 (editions)

nonfiction nature reference science adventurous informative medium-paced