The Speckled Band 9
box. 'Now, Miss Stoner,' he said, 'I think your life is in danger. Tonight my friend Watson and I must spend the night in your sister's room, where you are sleeping at the moment.' Helen Stoner and I looked at him in surprise. 'Yes, we must,' he went on. 'We'll take a room in a hotel in the village. When your stepfather goes to bed, put a light in your sister's bedroom window and leave it open. Then go into your old room and we'll get into your sister's room through the window. We'll wait for the sound of the whistle and the falling metal.' 'How did my sister die, Mr Holmes? Do you know?