Books like None Shall Sleep
Ellie Marney
None Shall Sleep is 400 pages, about 7 hours 20 minutes at 250 words a minute.
6 books to read next
How long each takes
A Good Girl's Guide to Murder 7.9 h 
The Inheritance Games 7.2 h 
One of Us Is Next 7.0 h 
Clown in a Cornfield 6.5 h 
Fear Street Super Thriller: Secrets: The Lost Girl; Can You Keep a Secret? 10.0 h 
A Danger to Herself and Others 6.5 h Bar height shows length. Estimated at 250 words a minute.