Books like They Do It with Mirrors
Agatha Christie
They Do It with Mirrors is 207 pages, about 3 hours 48 minutes at 250 words a minute.
12 books to read next
How long each takes
The Tiger in the Smoke 4.7 h 
The Skull Beneath the Skin 7.6 h 
Two for the Dough 6.2 h 
The Nine Tailors 6.2 h 
1St to Die 7.8 h 
The Crime at Black Dudley 3.8 h 
O Jerusalem 7.7 h 
Hasty Death 4.4 h 
2Nd Chance 7.2 h 
Clouds of Witness 5.3 h 
The Black Tower 5.5 h 
Shroud for a Nightingale 6.2 h Bar height shows length. Estimated at 250 words a minute.