Books like The Mystery of the Blue Train
Agatha Christie
The Mystery of the Blue Train is 258 pages, about 4 hours 44 minutes at 250 words a minute.
12 books to read next
How long each takes
The Moonstone 8.2 h 
Closed Casket 5.5 h 
The Angel of Darkness 12.1 h 
Gone, Baby, Gone 8.3 h 
Gathering Prey 8.2 h 
Gone Girl 8.7 h 
Smoke & Whispers 5.3 h 
Stolen Prey 7.6 h 
Why We Die 5.8 h Black Coffee 4.0 h 
Mercy Falls 6.5 h 
White Night 8.4 h Bar height shows length. Estimated at 250 words a minute.