More good #s: "E-books grew a dramatic 164.8 percent in December 2010 vs the previous year ($49.5 Million vs $18.7M). In the AAP’s ninth year of tracking this category, E-books once again increased significantly on an annual basis, up 164.4 percent for 2010 vs 2009 ($441.3M vs $166.9M). E-book sales represented 8.32 percent of the trade book market in 2010 vs 3.20 percent the previous year. ... "