Chicago Public Library( CPL) is the public library that serves the city of Chicago in the US state of Illinois. it is the second largest library system in Chicago by volumes held. The Library consist of 80 locations, including a central library, two regional libraries and branches distributed throughout the cities. 2018 Mortenson Library Associates visited the library on 31st May, 2018 on a tour to know more about their operations and services to library patrons. Our visit was an interesting one.