To create a coherent and exciting story, the authors need to box several pieces such as narrative, characters, situations, tone of the narrative, humor, grammatical rules, plot twists, among other factors that work like a real puzzle to create a success story.
In this case, we can consider the authors as creators of puzzles that they themselves have the task of solving, since each part of a story must fit perfectly with another part, thus creating an admirable, engaging and exciting narrative.