Chapter Fifteen'Wait!' Lorna put a hand on Margaret's arm. 'Look at that.' There was a bar of light under the door, faint but distinct. 'Somebody's in our room.' 'It will be Mr Gibson,' Margaret said. Lorna nodded. 'Maybe so.' She tested the door handle. 'It's locked.' She knelt and peered through the keyhole. 'No key in the lock either. Whoever is inside must have a false key to lock the door. On the count of three, we go in.' 'Yes, Miss.' Margaret sounded more angry than scared. Lorna slid in her own key. It turned silently. 'Right!' she said and pushed the door open. It slammed back on its hinges as Lorna crashed through with Margaret a step behind her, shining the lantern. Margaret' s lantern-light flickered around the room for an instant, before fixing on a young boy who stood, m

