Instructors Resource Examview CD-ROM Principles Of Microeconomics Mankiw 4E 4th Edition by N Gregory Mankiw Thomson South Western Brand New Sealed. This item is brand new factory sealed. It does have some shelf wear such as scratches/scuffs/marks/corner/edge wear/some creasing on the corners and a few small holes on the plastic seal shown in the photos. Please make sure you have the correct operational system to use this before purchasing(no returns accepted). Please view all photos for the exact condition before purchasing. What you see in the photos is exactly what you'll receive.