Books like Keeper of the Lost Cities
Shannon Messenger
Keeper of the Lost Cities is 512 pages, about 9 hours 23 minutes at 250 words a minute.
12 books to read next
How long each takes
Dustbin Baby 3.3 h 
Never Fade 9.3 h 
Red Queen 8.1 h 
Pushing the Limits 7.5 h 
Eragon 10.6 h 
Shadow and Bone 6.5 h 
The Last Dragon 6.8 h 
The Return of the King 9.0 h 
Beautiful Darkness 9.4 h 
In The Afterlight 10.9 h 
Glass Sword 9.0 h 
The Volcano of Fire 7.0 h Bar height shows length. Estimated at 250 words a minute.