With its corrugated iron siding and cramped interior, the Cherico, Mississippi, library is no Antebellum gem. But for young librarian Maura Beth Mayhew, it's as essential to the community as the delicious desserts at the Twinkle, Twinkle Caf . It's a place for neighbors to mingle and browse through the newest bestsellers, for the indomitable Miss Voncille Nettles to host her "Who's Who in Cherico?" meetings. The library may be underfunded and overlooked,...