Nadi Bumpo is not in this book at all the words Nadi Bumpa are not in the book he says at one point for myself I conclude all the bumpos could shoot for I have a natural turn with a rifle which must have been handed down from generation to generation. "I'm glad that we got to the bottom of Nadi Bumpho," said author Andrew McCaffery, who has written several books based on superhero characters including Batman and Robin. 'He's such a rugged individualist it is my understanding he did go to some cool caves and was like what if I set part of a book in these cool caves yeah'