"I won't tell you yet; I'll give you a chance to think it over by yourself. But at ten o'clock to-morrow morning the writer of the Stellery anonymous letters will walk into my studio."
At ten next morning Valeska came swiftly into the laboratory where Astro was experimenting with phosphorescent sulfid of calcium screens. The sight of her face made the Seer smile, it was so puzzled in its expression.
"Mrs. Stellery is here. She says you wished to see her. Are you going to have her meet the author of the letters?"
"Yes," he answered, putting down a varnish brush. "And if you want enlightenment on human nature, I advise you to listen in the anteroom."
He took a piece of crumpled paper covered with typewriting from his pocket and handed it to her. She looked at it carefully; then, as she stood for a moment staring at him, her face changed.
"Oh!" she breathed, and walked rapidly back to the reception-room.
Mrs. Stellery was waiting for him, standing beside the granite Thoth in the center of the studio. Her eyes were fixed blankly; but at his coming she turned a white face suddenly to him.
"You said that you had discovered the authorship of the letters," she said, and her voice was very low. "I'm anxious about it. Do you really know? Are you sure?"
He nodded gravely, motioned her to a seat, and sat down himself. "My dear Mrs. Stellery," he began, "I want you to trust implicitly in my tact and my consid-
