Raising Ready Readers is the theme for Saturday’s symposium sponsored by the Collaboration for Early Childhood Care and Education. The 7th annual event takes place from 8 a.m. to 2:30 p.m. at Percy Julian Middle School, 416 S. Ridgeland. Children’s book author Jim Aylesworth is the keynote speaker. He began his teaching career in 1971 at Hatch School in Oak Park. Workshops are also scheduled for the day. For more information: Carolyn Newberry Schwartz, executive director: 708-613-6122, email@example.com; Joan White, convener: 708-848-4910, firstname.lastname@example.org.