Books like The World of Tiers
Philip José Farmer
The World of Tiers is 512 pages, about 9 hours 23 minutes at 250 words a minute.
12 books to read next
How long each takes
The Eye of the World 14.4 h 
The Girl Who Heard Dragons 6.5 h 
River of Blue Fire 12.4 h 
The Great Hunt 12.3 h 
The Shadow Rising 17.6 h 
Lord of Chaos 16.9 h 
The Dark Tower 15.7 h 
The Illustrated Man 4.6 h 
Dandelion Wine 4.3 h 
Pebble in the Sky 4.1 h 
Ship of Magic 12.8 h 
Nightfall 6.2 h Bar height shows length. Estimated at 250 words a minute.