Recently I was struggling with a story where there was a deep mystery for the protagonist to uncover as the story went on. As I got feedback from readers, I realized the problem was that the mystery was so opaque that readers didn’t have enough information to have any hope of anticipating what was to come. I wanted the story to be both mysterious and suspenseful, but without any insight into the future, suspense was out of the question. While the question of how to balance the right…