Books like Surprise! Surprise!
Agatha Christie
Surprise! Surprise! is 223 pages, about 4 hours 5 minutes at 250 words a minute.
12 books to read next
How long each takes
Strong Poison 4.8 h 
The Valley of Fear 3.8 h 
His Last Bow 4.3 h 
Whose Body? 3.9 h 
One for the Money 5.9 h 
"A" Is for Alibi 4.5 h 
The Club of Queer Trades 2.4 h 
Two for the Dough 6.2 h 
Who Killed Roger Ackroyd? 3.1 h Black Coffee 4.0 h 
Three to Get Deadly 6.5 h 
Clouds of Witness 5.3 h Bar height shows length. Estimated at 250 words a minute.