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Current edition

2 hours, 30 minutes • first pub 2011 (editions)

nonfiction history mathematics science informative medium-paced

2 hours, 30 minutes • first pub 2011 (editions)

nonfiction history mathematics science informative medium-paced

Other editions (2)

2 hours, 13 minutes • first pub 2011 (editions)

nonfiction history mathematics science informative medium-paced

2 hours, 13 minutes • first pub 2011 (editions)

nonfiction history mathematics science informative medium-paced

2 hours, 30 minutes • first pub 2011 (editions) user-added

nonfiction history mathematics science informative medium-paced

2 hours, 30 minutes • first pub 2011 (editions) user-added

nonfiction history mathematics science informative medium-paced

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