This is “DISCOVER EXCEL 2007: LEVEL 2,” a previously-viewed DVD in its original plastic clamshell case with art. It is a retired library edition with the usual stickers and marks of former ownership. Created by Technology Skills in 2008, the disc is in great shape and plays perfectly (double-checked). Sections in this intermediate level include: Calculate Your Data and Format Your Workbook. Each section is followed by a quiz to help viewers measure progress.