1Introduction
9The Forgotten Staircase
2The Whisper Between the Shelves
10When the Lights Went Out
3A Missing Page
11An Ink-Stained Secret
4Footprints in the Dust
12The Map in the Manuscript
5The Locked Reading Room
13Shadows Behind the Stacks
6Beneath the Floorboards
14The Hour the Bell Didn’t Ring
7The Librarian’s Key
15Code in the Card Catalog
8Margins Full of Clues
16What the Walls Remember
