There has been data ("MCITP Windows Server 2008 Enterprise Administrator: Training Kit 4-Pack: Exams 70-640, 70-642, 70-643, 70-647 (It Professional)") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Sun Mar 1 20:08:52 2020, so the data displayed here has been removed .