Books like The Fortress of the Pearl
Michael Moorcock
The Fortress of the Pearl is 240 pages, about 4 hours 24 minutes at 250 words a minute.
9 books to read next
How long each takes
The Lord of the Rings 22.0 h 
The Silmarillion 7.8 h 
Unfinished Tales of Númenor and Middle-earth 9.4 h 
Ship of Magic 12.8 h 
River of Blue Fire 12.4 h 
The Treason of Isengard 9.2 h 
Sauron Defeated 8.8 h 
The War of the Jewels 8.6 h 
The Lord of the Rings. Appendices 3.3 h Bar height shows length. Estimated at 250 words a minute.