Barnes & Noble’s NOOK Tablet 7″ is a $50 Android tablet which the bookstore chain began selling in late 2016. But the company has stopped selling the tablet for now, due to a potential hardware issue.

Barnes & Noble has sent out invitations to a press conference this week in New York City. The specific topic of the event, set for Nov. 7, is unclear — but it’s almost certain the spotlight will be on ...