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179 pages first pub 1987 (editions)

nonfiction history science adventurous informative tense slow-paced
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288 pages first pub 1987 (editions)

nonfiction history science adventurous informative tense slow-paced

300 pages first pub 1987 (editions)

nonfiction history science adventurous informative tense slow-paced

278 pages first pub 1987 (editions)

nonfiction history science adventurous informative tense slow-paced

missing page info first pub 1987 (editions)

nonfiction history science adventurous informative tense slow-paced

278 pages first pub 1987 (editions)

nonfiction history science adventurous informative tense slow-paced

180 pages first pub 1987 (editions)

nonfiction history science adventurous informative tense slow-paced

278 pages first pub 1987 (editions)

nonfiction history science adventurous informative tense slow-paced

7 hours, 27 minutes first pub 1987 (editions)

nonfiction history

306 pages first pub 1987 (editions) user-added

nonfiction history science adventurous informative tense slow-paced

288 pages first pub 1987 (editions)

nonfiction history science adventurous informative tense slow-paced