Amazon plans to ship more of the devices later this week.
The upgraded Kindle DX has a larger screen for reading textbooks, cookbooks, magazines and newspapers.
It costs more than the original Kindle at about $490.
Amazon plans to ship more of the devices later this week.
The upgraded Kindle DX has a larger screen for reading textbooks, cookbooks, magazines and newspapers.
It costs more than the original Kindle at about $490.