FILE - Leonard Riggio, chairman of Barnes & Noble, is seen in New Orleans, Feb. 26, 2008.(AP Photo/Alex Brandon, File)

FILE - This image shows a Barnes & Noble Booksellers store in Pittsburgh on Aug. 31, 2017. (AP Photo/Gene J. Puskar, File)

FILE - This image shows the exterior of a Barnes & Noble store in Omaha, Neb., on May 3, 2017. (AP Photo/Nati Harnik, File)

FILE - Leonard Riggio, chairman of Barnes and Noble, arrives at a book store in New York, Tuesday, Sept. 12, 2017. (AP Photo/Seth Wenig, File)