Books like In the Night Room
Peter Straub
In the Night Room is 352 pages, about 6 hours 27 minutes at 250 words a minute.
12 books to read next
How long each takes
The Hired Girl 7.3 h 
Afterworlds 11.2 h 
Dear Zoe 3.8 h 
Her Fearful Symmetry 7.5 h 
Fangirl 8.1 h 
Atonement 7.0 h 
The Virgin Suicides 4.6 h 
From a Buick 8 8.5 h 
The Pact 8.1 h 
Every Heart a Doorway 3.2 h 
Siradan Insanlar 4.7 h 
Girl Sleuth 6.9 h Bar height shows length. Estimated at 250 words a minute.