Books like The Unfairest of Them All
Shannon Hale
The Unfairest of Them All is 336 pages, about 6 hours 10 minutes at 250 words a minute.
12 books to read next
How long each takes
Tales from a Not-So-Happily Ever After 5.4 h 
A Grimm Warning 8.8 h 
Ever After High 3.5 h 
The Enchantress Returns 9.7 h 
Heartless 9.4 h 
Ever After High Yearbook 1.7 h 
Flunked 4.7 h 
Ever After High 4.1 h 
Inkheart 10.1 h 
Unlocking the Spell 5.1 h 
The Bravest Princess 5.0 h 
Once Upon the End 6.8 h Bar height shows length. Estimated at 250 words a minute.