Lucas stared at the blank wall. He knew what he had felt only a second ago, though he was now doubting his sanity. But now, as he looked, still, he knew he had felt a very strong, powerful presence behind him, or maybe he was beginning to go insane... Brittany suddenly saw a fast movement at the base of her mirror. She was worried at first, then concluded that it was probably the boy next door, peering through her windows. The boy had actually never done that before, but her friends would…