Books like The Seat of Magic
J. Kathleen Cheney
The Seat of Magic is 390 pages, about 7 hours 9 minutes at 250 words a minute.
12 books to read next
How long each takes
The Way of Kings 18.5 h 
The Uninvited 7.0 h 
The Well of Ascension 14.4 h 
The Evil Inside 7.2 h 
Dark Lover 8.2 h 
Oathbringer 22.8 h 
The Hero of Ages 13.9 h 
The Amber Spyglass 10.0 h 
Ghost Shadow 7.3 h 
The Priory of the Orange Tree 15.6 h 
Feverborn 7.6 h 
The Alloy of Law 6.6 h Bar height shows length. Estimated at 250 words a minute.