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Current edition

528 pages first pub 1997 (editions)

nonfiction history science adventurous informative medium-paced
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476 pages first pub 1997 (editions)

nonfiction history science adventurous informative medium-paced

638 pages first pub 1997 (editions)

nonfiction history science adventurous informative medium-paced

664 pages first pub 1997 (editions) user-added

nonfiction science

768 pages first pub 1997 (editions)

nonfiction history science adventurous informative medium-paced

missing page info first pub 1997 (editions)

nonfiction history science adventurous informative medium-paced

505 pages first pub 1997 (editions)

nonfiction history science adventurous informative medium-paced

missing page info first pub 1997 (editions)

nonfiction history science adventurous informative medium-paced

460 pages first pub 1997 (editions)

nonfiction history science adventurous informative medium-paced

592 pages first pub 1997 (editions)

nonfiction history science adventurous informative medium-paced

484 pages first pub 1997 (editions)

nonfiction history science adventurous informative medium-paced