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missing duration info first pub 2007 (editions)

nonfiction biography childrens science informative inspiring slow-paced
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missing duration info first pub 2007 (editions)

nonfiction biography childrens science informative inspiring slow-paced

144 pages first pub 2007 (editions)

nonfiction biography childrens science informative inspiring slow-paced

142 pages first pub 2007 (editions)

nonfiction biography childrens science informative inspiring slow-paced