Books like "But Why Bump Off Barnaby?"
Rick Abbot
"But Why Bump Off Barnaby?" is 103 pages, about 1 hour 53 minutes at 250 words a minute.
9 books to read next
How long each takes
Crooked House 4.1 h 
Filth 7.3 h 
Twelve Angry Men 1.4 h 
The Laramie Project 2.1 h 
Dial "M" for Murder 2.1 h 
Laura 4.4 h Riverdale 10.5 h 
Southern Seas 4.0 h 
The Diary of a Chambermaid 6.4 h Bar height shows length. Estimated at 250 words a minute.