She must have gone out." "Look in the envelope.

Perhaps there is a card, too," suggested Arline hopefully.
Grace peered into it a second time.

Close to the inner surface of the envelope lay a tiny strip of paper.

She held it up triumphantly for Arline's inspection.
"Is there any writing on it ?" demanded Arline.
Grace scanned the strip of paper earnestly, turned it over and found the faint lead-pencil inscription: "From a friend." "Who can it be ?" pondered Arline.

"Do you recognize the hand-writing ?" "No." Grace looked puzzled.