Books like Lion in the Valley
Elizabeth Peters
Lion in the Valley is 360 pages, about 6 hours 36 minutes at 250 words a minute.
12 books to read next
How long each takes
Reckless 6.7 h 
The Beetle. A Mystery 6.1 h 
1St to Die 7.8 h 
Cocaine Blues 4.8 h 
One for the Money 5.9 h 
Sleeping Murder 4.4 h 
The Mirror Crack'd from Side to Side 4.5 h 
2Nd Chance 7.2 h 
They Do It with Mirrors 3.8 h 
Nemesis 4.4 h 
Flying Too High 3.2 h 
Hasty Death 4.4 h Bar height shows length. Estimated at 250 words a minute.