Books like Mountain in the Sea
Ray Nayler
Mountain in the Sea is 464 pages, about 8 hours 30 minutes at 250 words a minute.
12 books to read next
How long each takes
Children of Time 11.3 h 
All Tomorrows 2.6 h 
Expedition 3.6 h 
The Stand 21.1 h 
Dark Matter 6.7 h 
The Passage 16.6 h 
One Shot 8.0 h 
Congo 6.4 h 
The Windup Girl 7.2 h 
The Hard Way 8.2 h 
Cryptonomicon 16.8 h 
John Dies at the End 7.9 h Bar height shows length. Estimated at 250 words a minute.