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189 pages 1995

nonfiction biography science challenging informative medium-paced
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189 pages paperback 1995

nonfiction biography science challenging informative medium-paced

152 pages paperback 1995

nonfiction biography science challenging informative medium-paced

184 pages paperback 1995

nonfiction biography science challenging informative medium-paced

235 pages paperback 1995

nonfiction biography science challenging informative medium-paced