With Kindle DX, Amazon writes new e-book chapter - washingtonpost.com

Lots of novels have the potential for one good sequel, but not too many can sustain a story over a third book.

Amazon's new Kindle DX is like that extra sequel. This $489 wireless tablet, shipping June 26, doesn't do much to advance the electronic book narrative beyond Amazon's earlier Kindles. It does, however, introduce two plot elements that might play a larger role in future e-book chapters...