WASHINGTON (WUSA) -- Barnes & Noble is rolling out two new versions of its Nook tablet. They have sleek new hardware and a sharper high-def screen.

The new Nook HD will come in two sizes: a 7-inch screen (starting at $199) and a new 9-inch screen called the Nook HD+ (starting at $269).

The tablets are available for pre-order online and in stores beginning Wednesday. They tablets will begin shipping in late October and begin arriving in stores in early November.

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