The wholesale e-book market continues to expand, up about 24% in 2007 with $31.7 million in sales (chart).
Read more about it at "U.S. 2007 Wholesale E-Book Sales: $31.7 M, or 23.6 Percent over 2006—but Should They Have Been Still Higher?"
Wholesale E-Book Sales Continue to Climb: $31.7 million in 2007