Art's unit is a spacious studio apartment in a nice walk-up that is close to everything you need in Chicago. The space is a clean, thoughtfully decorated, and very comfortable. The space is perfect for working (great WiFI) or relaxing after a day of exploring the city. I also enjoyed the swing, which is great to work on/read as well.
The location is also ideal - located between Wicker Park, West Loop, and the Near North Side, you are walking distance to so much, and are connected to the city's Divvy bike system and public transportation.
I highly recommend staying at Art's place when visiting Chicago !