“How wonderful you are!” said Kitty, clasping her hands beneath her chin as she looked at the great man. “To think of your spotting that fireplace thing right away! Though of course I never should have thought of anybody squeezing up through there. And Rob and I spent a whole morning searching these rooms for clues, and that was only the day after it happened.”

“What an opportunity!” Stone seemed interested. “And didn’t you find anything⁠—not anything ?”

“No, not a thing. We were so disappointed. Oh, yes, Rob did find one little thing, but it was so little and so silly that I guess he forgot all about it.”

“What was it?”