Well, it really depends on your taste. If you like superhero stories, you might find some great deals on Marvel or DC graphic novels. For example, 'Batman: The Dark Knight Returns' is often a popular choice. Barnes and Noble might also have some indie graphic novels on sale. These can offer really fresh and unique stories that you won't find in the mainstream superhero stuff. Maybe something like 'Saga' which has a very original take on science - fiction and fantasy.
At Barnes and Noble during Black Friday, there could be a wide variety of graphic novels. They might have some of the latest releases from well - known authors and artists. There could be graphic novels based on popular movies or TV shows as well. For instance, if there's a big movie franchise like 'Star Wars', there could be related graphic novels. Also, they might have some classic graphic novels from different eras. It's a great opportunity to explore different styles and stories in the world of graphic novels.