"The temperature in the room suddenly dipped from seventy to forty degrees. Lowe felt a suffocating claustrophobia, as if he were being forced inside a coffin. He clutched the towel, breathing hard, his heart thumping. By now it was so cold he could see his exhaled breath. Footsteps echoed over the bathroom tiles, slow and measured. They stopped just beside him. A plume of breath floated toward him. With a cry of terror, he bolted for the door."A...