"Do you suppose anything has happened to him?" asked the boy; "do you, Nell?" He had been asking that question a great many times a day for a good many days. Every time he asked it his sister said, "Oh no, of course not," and set about any sort of work to prove she was not thinking anxious thoughts. At last, however, her answer was rather slower in coming, and on this particular occasion no answer came till David touched her arm. "Do you, Nell?" he urged. "I don't know. I shouldn't think so," she said, but instead of getting busy she sat still and stared at the red-hot stove, her strong hard hands clasped round her knees, and a frown on her forehead--actually doing nothing at all but just think!