Sim spoke up.

“Not just now. We’ll phone.” Telling Dick to “charge it,” she and the girls walked toward the waiting roadster.

Dick opened the door.

“Don’t let this adventure scare you,” he said in a low voice. “It was probably nothing but those excited men imagining something.” He seemed worried lest they cancel further riding engagements during the holidays, and Dick probably made a little commission.

“Don’t worry,” Terry answered. “We loved it! See you later; and thanks, Dick!”

They were off, Sim driving with a little less than her usual abandon. Arden was the first to notice it.

“What’s the matter?” she asked. “Scared?”

“No, just thinking.”

“It was queer,” murmured Terry. “I was really frightened.”

“The men were, anyhow,” said Arden. “And when we heard those bumping sounds coming out of an old uninhabited house——” She shivered a little.