Looking for Parking near the Chicago Book Expo? If so, let SpotHero handle the hassle. Chicago Book Expo is a nonprofit group of volunteers whose mission is to celebrate Chicago’s vital independent publishing scene. The Expo originated in 2011 as a project of the now-disbanded Chicago Writers House. Forty publishers participated, and a wide array of workshops and other events accompanied the Expo. In 2013, the Expo was condensed into one day, and featured more than 90 vendors and 24 programs.