Books like A Tap on the Window
Linwood Barclay
A Tap on the Window is 512 pages, about 9 hours 23 minutes at 250 words a minute.
12 books to read next
How long each takes
Gone Girl 8.7 h 
Worth Dying For 8.1 h 
Cross My Heart 7.9 h 
Whiskey Beach 9.9 h 
The Gods of Guilt 7.1 h 
Under the Dome 19.7 h 
Mirage 7.8 h 
The Expats 8.1 h 
The Private Down Under 6.6 h 
Breaking Point 6.7 h 
Killing Floor 9.2 h 
The Witness 9.5 h Bar height shows length. Estimated at 250 words a minute.