There was one, and only one, surprise for trade publishers at last week’s press conference to introduce the Kindle DX, but its impact is still being examined carefully at multiple publishers. It came when Amazon ceo Jeff Bezos said “Kindle sales are now 35 percent of books where we have Kindle editions” and print editions of the same title. Bezos indicated the increase was “coincident with the launch of Kindle 2.” That jaw-dropping figure, such as it is, was more than three times the ratio that Amazon had reported previously, first in October and then again in February when Kindle […]