Earth 2 #29

The displaced masses taking shelter in Chicago run for their lives when an unbelievable force descends on the city. Scattered and frantic, Barbara and Dick Grayson hunt for shelter and find a safe haven that hides a sinister secret. Will the two make it out alive with their son? Written by Mike Johnson and Marguerite Bennett. Art by Andy Smith and Trevor Scott. Cover by Yildiray Cinar.