Books like The Subtle Knife
Philip Pullman
The Subtle Knife is 351 pages, about 6 hours 26 minutes at 250 words a minute.
12 books to read next
How long each takes
The Return of the King 9.0 h 
Watership Down 8.8 h 
Icefire 7.7 h 
Caraval 8.0 h 
Forest of Secrets 6.2 h 
Starlight 6.1 h 
Theodore Boone, The Abduction 4.7 h 
The Missing Chums 3.2 h 
The Night She Disappeared 4.5 h 
Farmer Giles of Ham 1.7 h 
The Leaving 8.2 h 
Pretty Girl13 6.4 h Bar height shows length. Estimated at 250 words a minute.