1Introduction
9Shadows Under the Door
2Whispers in the Hall
10The Disappearing Light
3The Locked Room
11What the Mirror Saw
4Footsteps After Midnight
12A Knock Too Late
5The Vanishing Key
13Blueprints and Lies
6Voices Through the Vent
14The Door That Shouldn't Exist
7A Scratch on the Frame
15The Silence Before the Scream
8The Fourth Floor Rule
16The Last Door on the Left
