http://xbox360.ign.com/articles/754/754985p1.html
Best-Selling Games: December 2006
Game industry totals $12.5 billion in 2006.
by Micah Seff
January 11, 2007 - The NPD Group has just released sales data for December 2006, and there are a whole lot of surprises. Several PS2 games made the list...