Barnes & Noble Inc. (BKS) (BKS), the largest U.S. bookstore chain, introduced a Nook e-reader with a screen that glows in the dark, challenging Amazon.com Inc. (AMZN) (AMZN) at a time when prices for digital books may start falling.
Barnes & Noble Inc. (BKS) (BKS), the largest U.S. bookstore chain, introduced a Nook e-reader with a screen that glows in the dark, challenging Amazon.com Inc. (AMZN) (AMZN) at a time when prices for digital books may start falling.