This combination of file photos shows the 7-inch Amazon Kindle HDX tablet, left, and the Samsung Galaxy Tab 4 Nook.
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A brand ambassador handles a new Samsung Galaxy Tab 4.
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A brand ambassador holds a new Samsung Galaxy Tab 4 Nook during the unveiling of the co-branded tablet that will replace B&N's Nook.
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Galaxy Tab 4 Nook is a co-branded tablet that will replace B&N's Nook.
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Tim Baxter, president of Samsung Electronics America, left, and Mike Huseby, CEO of Barnes & Noble, pose for a photograph.
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The 7-inch tablet will sell for $179 after a $20 instant rebate, the same entry price of the non-branded Samsung Galaxy Tab 4.
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Mike Huseby, CEO of Barnes & Noble, speaks during the unveiling of a new Barnes & Noble and Samsung co-branded tablet called the Samsung Galaxy Tab 4 Nook.
