Banana's Foster was created in 1951 by Paul Blangé at Brennan's Restaurant in New Orleans. It was named for Richard Foster, a friend of the owner (Owen Brennan). Mr. Foster was, at that time, the head of the Crime Commission.
The original recipe has nothing to do with cheesecake. Here is the original recipe direct from Brennan's for Banana's Foster
Since Barnes & Noble is a bookstore - they bought it from someone. Here are some recipes for Banana's Foster cheesecake