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308 pages first pub 1999 (editions)

nonfiction biography science informative lighthearted slow-paced
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257 pages first pub 1999 (editions)

nonfiction biography science informative lighthearted slow-paced

220 pages first pub 1999 (editions)

nonfiction biography science informative lighthearted slow-paced

missing page info first pub 1999 (editions)

nonfiction biography science informative lighthearted slow-paced

270 pages first pub 1999 (editions)

nonfiction biography science informative lighthearted slow-paced