Information and knowledge mean power. That’s why the Philadelphia One Africa! One Nation! Marketplace’s Uhuru Book Fair & Flea Market in West Philly always is a nice and important treat. Enjoy poetry, spoken word, authors’ book readings, yoga, activities for children, a variety of live music, food, and shopping featuring authentic arts and crafts and clothing. Grab some educational material focusing on adult literacy, English as a Second Language, and other community reading materials. Free admission, 9 a.m. EST to 5 p.m. EST. Clark Park, 43rd Street and Chester Avenue. 267-875-3532 or oneafricamarketphilly.org or festival.net.