Books like The Core
Peter V. Brett
The Core is 848 pages, about 15 hours 33 minutes at 250 words a minute.
12 books to read next
How long each takes
The Eyes of the Dragon 7.0 h 
The Shining 9.3 h 
House of Earth and Blood 14.8 h 
A Game of Thrones 14.7 h 
Ascendance 7.3 h 
Nona the Ninth 8.8 h 
The Eye of the World 14.4 h 
Sleeping Beauties 15.5 h 
The Lord of the Rings 22.0 h 
God's Demon 7.2 h 
Works 18.2 h 
Gideon the Ninth 8.2 h Bar height shows length. Estimated at 250 words a minute.