Books like The Shankill Butchers
Martin Dillon
The Shankill Butchers is 338 pages, about 6 hours 12 minutes at 250 words a minute.
6 books to read next
How long each takes
Say Nothing 9.8 h 
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False Impression 7.8 h 
Gone Too Far 9.0 h 
Divorcing Jack 4.8 h Bar height shows length. Estimated at 250 words a minute.