Books like The Dark Secret
Tui T. Sutherland
The Dark Secret is 302 pages, about 5 hours 32 minutes at 250 words a minute.
12 books to read next
How long each takes
The Hidden Kingdom 6.2 h 
The Wouldbegoods 3.9 h 
Dawn 6.2 h 
Divergent 8.9 h 
Heir of Fire 10.6 h 
The Angel Experiment 7.9 h 
The Princess Diaries 4.5 h 
Defy 6.1 h 
Every Day 6.0 h 
The Book of Lies 6.6 h 
Fairest 6.2 h 
Openly Straight 6.2 h Bar height shows length. Estimated at 250 words a minute.