Books like Among the Impostors
Margaret Peterson Haddix
Among the Impostors is 176 pages, about 3 hours 14 minutes at 250 words a minute.
12 books to read next
How long each takes
The Darkest Minds 9.8 h 
Alvin Ho 3.2 h 
School of Fear 5.8 h 
Renegades 10.7 h 
Never Fade 9.3 h 
Archenemies 9.4 h 
In The Afterlight 10.9 h 
Hunger Games, Catching Fire 2.9 h 
Star Wars - Lost Stars 10.2 h 
Waste of Space 6.2 h 
The Darkest Legacy 10.5 h 
Zeroes 9.2 h Bar height shows length. Estimated at 250 words a minute.