Books like The Darkest Evening of the Year
Dean Koontz
The Darkest Evening of the Year is 400 pages, about 7 hours 20 minutes at 250 words a minute.
12 books to read next
How long each takes
Killing Floor 9.2 h 
Origin 11.6 h 
My Laugh Comes Last 3.3 h 
The Girl in Room 105 6.2 h 
Guest List 6.2 h 
Recursion 6.5 h 
The Visitor 8.9 h 
Sleeping Doll 10.3 h 
Billy Summers 11.2 h 
Witchcraft 4.1 h 
The Seven Deaths of Evelyn Hardcastle 9.2 h 
Without Fail 7.6 h Bar height shows length. Estimated at 250 words a minute.