Books like A Presumption of Death
Jill Paton Walsh
A Presumption of Death is 384 pages, about 7 hours 2 minutes at 250 words a minute.
12 books to read next
How long each takes
Gaudy Night 8.6 h 
Busman's Honeymoon 7.3 h 
Strong Poison 4.8 h 
The Unpleasantness at the Bellona Club 4.7 h 
Hasty Death 4.4 h 
A Letter of Mary 5.4 h 
N or M? 4.1 h 
A Monstrous Regiment of Women 6.2 h 
The Club of Queer Trades 2.4 h 
O Jerusalem 7.7 h 
The Nine Tailors 6.2 h 
Clouds of Witness 5.3 h Bar height shows length. Estimated at 250 words a minute.