"When everyone on the island died, the killer didn't show up." When he said that, I couldn't believe him. I came back a few pages and asked, while in a state of shock, "So the killer faked his death?"

He picked his eyebrow and scratched it with the tip of my pen. "It's not that stupid!"

After trying to think it over, I still didn't know who the killer was. I looked up at him and said, "Now who could it be?"

In the end, the author of No One Survived didn't seem to want to tell the readers who the killer was.

He laughed at my frustration. "Use your...