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When librarian Jennifer Wharton began weeding the 900s section of the children's library, she discovered that her history and biography sections were in dire need of updating. She took it as an opportunity to seek out books that offered different—and much needed—perspectives.
In a continuing series on nonfiction books that help tweens "build a better world," Nonfiction Notions columnist Jennifer Wharton recommends several titles that support science-based community projects.