Two of the biggest brands on the eReader market (produced and sold by two of the biggest names in bookselling, not coincidentally) are the Kindle and the Nook. They're also two of the oldest ...

While Amazon?s Kindle business continues to heat up, it looks like Barnes & Noble?s Nook strategy may be fizzling out. Both companies have focused heavily on building their digital content sales over ...

How does iPad stack up against Kindle and Nook? Amazon Kindle, Barnes & Noble Nook, and Apple iPad aren't the only devices capable of displaying e-books, but these are the most popular.

The Nook measures 7.7 x 4.9 x 0.5 inches, weighs 11.2 ounces (an ounce more than the Kindle), and has a battery life of 10 days (4 days fewer than the Kindle), with a replaceable battery.