One thing I learned at the Florida Authors and Publishers Conference this past August was that Barnes and Noble is now considering taking Independent author's books on their shelves.
There are a couple things you must have. One is to have the your book with Ingram or another distributor where there is a returnability. Kindle Direct Publishing (Amazon) does not. Second you must have the price printed in the barcode. Third you must bring a sell sheet to the B&N with you when you go to talk...