He nodded understandingly.

She dropped her voice still lower.
"Do you know anything about a Hidden Room in this house ?" she asked.
Dick Fleming stared at her for a moment.

Then he burst into laughter.
"A Hidden Room--that's rich!" he said, still laughing.

"Never heard of it! Now, let me get this straight.

The idea is--a Hidden Room--and the money is in it--is that it ?" Dale nodded a "Yes." "The architect who built this house told Jack Bailey that he had built a Hidden Room in it," she persisted.
For a moment Dick Fleming stared at her as if he could not believe his ears.