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172 pages first pub 1968 (editions)

nonfiction history memoir science challenging informative medium-paced
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3 hours, 11 minutes first pub 1968 (editions) user-added

nonfiction history memoir science challenging informative medium-paced

282 pages first pub 1968 (editions)

nonfiction history memoir science challenging informative medium-paced

189 pages first pub 1968 (editions)

nonfiction history memoir science challenging informative medium-paced

205 pages first pub 1968 (editions)

nonfiction history memoir science challenging informative medium-paced

162 pages first pub 1968 (editions)

nonfiction history memoir science challenging informative medium-paced

145 pages first pub 1968 (editions)

nonfiction history memoir science challenging informative medium-paced

160 pages first pub 1968 (editions)

nonfiction history memoir science challenging informative medium-paced

187 pages first pub 1968 (editions)

nonfiction history memoir science challenging informative medium-paced

226 pages first pub 1968 (editions) user-added

nonfiction history memoir science challenging informative medium-paced

352 pages first pub 1968 (editions)

nonfiction history memoir science challenging informative medium-paced