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304 pages first pub 1979 (editions)

nonfiction history science adventurous informative inspiring medium-paced
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352 pages first pub 1979 (editions)

nonfiction history science adventurous informative inspiring medium-paced

448 pages first pub 1979 (editions)

nonfiction history science adventurous informative inspiring medium-paced

369 pages first pub 1979 (editions)

nonfiction history science adventurous informative inspiring medium-paced

352 pages first pub 1979 (editions)

nonfiction history science adventurous informative inspiring medium-paced

448 pages first pub 1979 (editions)

nonfiction history science adventurous informative inspiring medium-paced

15 hours, 42 minutes first pub 1979 (editions)

nonfiction history science adventurous informative inspiring medium-paced

367 pages first pub 1979 (editions)

nonfiction history science adventurous informative inspiring medium-paced

436 pages first pub 1979 (editions)

nonfiction history science adventurous informative inspiring medium-paced

367 pages first pub 1979 (editions)

nonfiction history science adventurous informative inspiring medium-paced

436 pages first pub 1979 (editions)

nonfiction history science adventurous informative inspiring medium-paced