Since I haven't read the book, it's hard to say for sure. But Brendan Duffy is likely to be a key character in the novel. Maybe he is a hero figure who has to face the challenges presented by the Storm King. Or he could be a regular person who gets caught up in a situation involving the Storm King and has to find a way to deal with it.
80 for Brady is a combination of real and made-up elements. It's not a straightforward true story but rather a fictional narrative that incorporates aspects that could potentially relate to real experiences.
It depends. While it might be inspired by real events or people, it's likely to have some fictional elements or creative liberties taken for the sake of entertainment.
It depends on your perspective. Some elements might be based on real events or people, but it's likely a fictionalized account with some creative liberties taken for entertainment purposes.