According to the Association of American Publishers(AAP), ebook sales for January to August increased up from $89.8 million for 2009 to $263 million in 2010. It is 193% increase in sales, and roughly 10% of book sales in the U.S.A. (up from 3.31% in 2009).
The reason of this spectacular ebooks boost up is the brisk sales of Kindles, Nooks and iPads. Amazon already reported few weeks ago that it sells more Kindle books than hardbacks.
