# XII: Hidden Chambers and What-Nots explained — The Layton Court Mystery

> Chapter companion for The Layton Court Mystery by Anthony Berkeley.

## What happens

Roger and Alec investigate the library for a secret passage or hidden door to explain how the murderer escaped. They examine the panelling, walls, and windows but find no obvious exit. Roger tests Jefferson's knowledge of priest-holes, but Jefferson seems indifferent. After ruling out the door and windows, Roger suddenly spots something from the lattice window that reveals how the murderer got away.

## Themes in this chapter

### Secrecy and Deception Within Households

The search for a hidden door underscores the theme of concealed secrets within the household, as the library's layout and the murderer's escape remain hidden from plain view.

### The Role of the Amateur Detective

Roger's methodical investigation of the room, despite lacking official authority, highlights the amateur detective's persistence and ingenuity in solving the mystery.

## Character check-ins

### Roger Sheringham

Leads the investigation into the library's secret exit, tests Jefferson's reaction, and ultimately discovers the method of escape.

### Alexander Grierson

Assists Roger in examining the library, tapping panels and considering the secret door theory, but remains skeptical about the murder.

### Major Jefferson

Enters the library briefly, appears indifferent to Roger's questions about priest-holes, and leaves to go into town.

## Key lines

> It might come out anywhere. I thought of that. But the walls aren't thick enough. They're only about eighteen inches through.

Alec suggests a secret chamber could lead anywhere, but Roger notes the walls are too thin at only eighteen inches.

_Discussion of the feasibility of a hidden chamber in the library walls._

> I didn't expect anything, but I thought I might as well try it. He didn't give anything away, though, whether he knew or not.

Roger admits he didn't expect Jefferson to reveal anything, but he tested him anyway, and Jefferson's offhand manner suggested he was not lying.

_Roger's assessment of Jefferson's reaction to the priest-hole question._

> If you come here, Alec, I'll show you how the murderer got away last night.

Roger calls Alec to the lattice window, indicating he has discovered the murderer's escape route.

_Climactic moment where Roger reveals his breakthrough._

## Links

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- All chapters: https://www.betterreads.online/discover/the_layton_court_mystery_se/chapters