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9 hours, 13 minutes first pub 2011 (editions)

nonfiction politics science technology challenging informative tense medium-paced
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320 pages first pub 2011 (editions)

nonfiction politics science technology challenging informative tense medium-paced

320 pages first pub 2011 (editions)

nonfiction computer science technology challenging informative tense medium-paced

320 pages first pub 2011 (editions)

nonfiction politics science technology challenging informative tense medium-paced