“Sh-h!” The girl’s hand was placed upon his cheek, and a finger pressed against his lips, The touch seemed caressing. “Ask no questions, now. Later — perhaps.”
He could visualize the girl’s lips, as they whispered, close to his ear.
“I must go. Wait here. Make no noise. Do not leave until I return.”
The hand left his face. Harry stood motionless for a moment. Then he reached toward the girl. He wanted to hold her in his arms. He did not want her to leave.
But his hands encountered nothingness. As he moved forward, Harry reached the section of moving wall through which they had come.
It was solid now, some secret spring had locked it noiselessly. He was alone — a prisoner — in the pitch-dark compartment.
The mysterious girl had gone!
CHAPTER VIII
ANOTHER VISITOR
STANLEY BERGER finished his laborious writing. Before him lay two sheets of paper, filled with carefully inscribed words. The young man’s eyes did not see what he had written; they were upon the final word of his message.