Books like The Girl with the Windup Heart
Kady Cross
The Girl with the Windup Heart is 357 pages, about 6 hours 33 minutes at 250 words a minute.
11 books to read next
How long each takes
Throne of Glass 7.9 h 
Legendary 8.3 h 
Oliver Twist 4.4 h 
Hollow City 7.5 h 
Return to the Isle of the Lost 5.7 h 
Animorphs - The Android 3.1 h 
Four Dead Queens 7.9 h 
The Beast of Buckingham Palace 8.5 h 
Un Lun Dun 9.5 h 
Fifty-one Tales 2.0 h 
Mairelon the Magician 5.3 h Bar height shows length. Estimated at 250 words a minute.