If you don’t, you’re not alone. Barnes & Noble was furiously trying to roll out the Nook e-reader for Christmas. Production delays foiled those plans, and now the Nook is due in most USA stores by mid-week.  The problem is, the landscape has been redefined.  It was owned, quite rightly, by Amazon’s Kindle.  But now that Apple has entered the arena, (See: Gorilla, Eight-Hundred-Pound) the war is perceived as Amazon vs. Apple- with the poor little Nookster left out of the fray.