For a moment her hand on his arm held him back. When her grip relaxed, he went over—and found not a trace of the man!

“What a pity!” he exclaimed. “We had him in our power. Now he is gone. We should have covered him and made him surrender.”

“Yes,” she agreed, “we should have. But who would have thought he would disappear?”

“The light. I know. By the way,” he chuckled, “what did we mean to do?”

“Yes. What? But was he the man?”

“Who knows?”

“And if he was, what could he be doing here?”

“Check,” said Curlie.

“Who wrote that letter, and why?” she asked again.

“Double check,” Curlie laughed. “Let’s go home.”