Mr. Camphor could see that he (Freddie) was thinking, because he shut his eyes and put on a fiercely determined look. But when presently he opened his eyes, he shook his head. “No good,” he said. “Thinking’s like fishing. You bait your hook and throw it in the water, but if there aren’t any fish around, you naturally can’t catch anything. There isn’t an idea around anywhere right now. I’ll try again later.