"Seeing that I have been crawling about on my hands and knees inspecting cracks in the floor, I think I have as much right to lose my temper as you have. Short of tearing the house down, I don't see how we are going to find anything without directions. And I am not in favor of taking such a drastic step as yet."

"It's around here somewhere, I know it!" She kicked petulantly at the hearth-stone.

"That statement is certainly a big help," Val commented. "Several yards across and I don't know how many up and down—and you just know it's there somewhere. Well, you can keep on pressing until you wear your fingers out, but I'm calling it a day right now."

She did not answer, and he got stiffly to his feet. He was hot and more tired than he had been since he had left the hospital. Because he was just as sure as Ricky that the key to their riddle must be directly before them at that moment, he was thoroughly disgusted.

A strange sound from his sister brought him around. Ricky was not pretty when she cried. No pearly drops slipped down white cheeks. Her nose shone red and she sniffed. But Ricky did not cry often. Only when she was discouraged, or when she was really hurt.

"Why, Ricky—" Val began uncertainly.

"Go 'way," she hiccupped. "You don't care—you don't care 'bout anything. If we have to lose this—"

"We won't! We'll find a way!" he assured her hurriedly. "I'm sorry I snapped at you. I'm just tired and hot, and so are you. Let's go upstairs and freshen up. Lunch will be ready—"

"I kno-o-ow—" her sob deepened into a wail. "Then Rupert will laugh at us and—"

"Ricky! For goodness sake, pull yourself together!"