William C. Reavis Math and Science Specialty Elementary School at the Blackstone Branch (back to all exhibits) Blackstone Branch of the Chicago Public Library, April - May 2013Slideshow Blackstone Branch of the Chicago Public Library, March - June 2012Slideshow Blackstone Branch of the Chicago Public Library, May - June 2011Slideshow Blackstone Branch of the Chicago Public Library, May 2010Slideshow