Books like The Shadow Children
Margaret Peterson Haddix
The Shadow Children is 172 pages, about 3 hours 9 minutes at 250 words a minute.
12 books to read next
How long each takes
Shatter Me 6.8 h 
Speak 4.0 h 
Unravel Me 8.5 h 
The Giver 3.7 h 
The Darkest Legacy 10.5 h 
Insurgent 9.6 h 
Uglies 7.9 h 
Four 4.8 h 
Through the Dark 7.8 h 
The White Mountains 3.2 h 
Extras 7.7 h 
Dragonflight 5.7 h Bar height shows length. Estimated at 250 words a minute.