"What is it?" asked Betty, eagerly.
"I thought you might be interested," said the young man, "and that is why I called at your house," and he nodded to Will.
"You had gone out," remarked Will to Grace, "so I asked dad where, as the maid said you'd all been in the library. Then I called up here," and he nodded to Amy.
"Glad you did," she returned. She seemed to have forgotten the trouble of the afternoon.
"Well," went on Mr. Blackford, "I feared it was a sort of imposition to come, and——"
"I told him it wasn't at all," interrupted Will.
"So on I came," proceeded the young business man.
"But what is the clue?" asked Grace, interestedly.
"This," was the reply, as he took some papers from his pocket. "But it's a clue that——"
"Isn't a clue," put in Will.