On the window lay a piece of folded paper.
His face full of amazement, the Professor brought it to the candles.
The writing was in German, and the letters like those of a person who wrote very seldom.
"Your son, the Herr Lieutenant, has escaped and is in hiding. Put money and food on the window to-night and it will be fetched to him. It is not safe to say more.
"One You Know."
"One you know," repeated the Professor. Then his eyes scanned the writing and he shook his head.
"Grandfather writes that way," said Bettina, her eyes all afire.
Before anyone could stop her Elsa cried out in surprise:
"Why, Bettina," she said, "your grandfather can't write. A soldier brought news to the King that he is dead."