Books like The Case of the Spurious Spinster
Erle Stanley Gardner
The Case of the Spurious Spinster is 190 pages, about 3 hours 29 minutes at 250 words a minute.
12 books to read next
How long each takes
Alias Grace 10.1 h 
Presumed Innocent 7.9 h 
The Crush 8.7 h 
Anatomy of a Murder 8.0 h 
Let Me Call You Sweetheart 5.9 h 
The Gods of Guilt 7.1 h 
The Anatomy of Murder 6.3 h 
Dark Fire 10.2 h 
Dan Leno and the Limehouse Golem 5.2 h 
As Time Goes By 5.4 h 
Natchez Burning 14.5 h 
Asta's Book 8.4 h Bar height shows length. Estimated at 250 words a minute.