Mike Huseby, CEO of Barnes & Noble, speaks at a media event introducing the new Samsung Galaxy Tab 4 Nook, on August 20, 2014 in New York City. The new tablet has a 7-inch screen and will cost $179.

Now, the company is offering the tablet with a larger 10.1-inch diagonal screen ahead of the all-important holiday season for $299.99. The tablets are competing in a crowded field that includes ...