"You mustn't mind Dad," Penny smiled. "We couldn't get along without you."
Mrs. Gallup sniffed.
"I do the best I can. The coffee does taste all right, doesn't it?"
"It's perfect."
"When your father's working on a hard case he always likes it strong as lye," the housekeeper complained. "But I know he was worried about something this morning."
"What makes you think so?"
"I heard him muttering to himself. Something about the stupidity of the police. It seems they let some crook get away last night after your father had laid careful plans to catch him."
"Not Rap Molberg?"
"I think that was the name. Mr. Nichols didn't tell me anything, I just heard him talking it over with himself."
"It's the only person he will discuss his business with," Penny chuckled.