In the Night Room. Peter Straub

could alter whatever he was going to find in his loft. The key jittered in the lock, demanding extra body English before it slid home. Though Tim’s mind was empty of nearly everything but anxiety, he managed to wonder how Kohle had gotten inside without a key. Callers could not be buzzed in: loft holders had to go downstairs and open two sets of doors for their visitors. This reality created a possibility for hope. Maybe Kohle’s visit had been no more than the act of a stalker pushing the envelope.

      Tim ran past the elevator and charged up the staircase. His heels rang on the metal steps. He was breathing hard by the time he reached his door, and he had a sharp stitch in his side. He placed his left hand over the pain, with his right inserted his second key into the slot, and the door swung open by itself. Instead of unlocking it, he had almost locked it.