Books like Eight Days of Luke
Diana Wynne Jones
Eight Days of Luke is 208 pages, about 3 hours 49 minutes at 250 words a minute.
12 books to read next
How long each takes
Clockwork Prince 9.2 h 
The Unbecoming of Mara Dyer 8.5 h 
Let the Sky Fall 7.8 h 
Miss Peregrine's Home for Peculiar Children 7.1 h 
Coraline 3.2 h 
The Dream Thieves 8.2 h 
Infinity 8.2 h 
Underworld 5.9 h 
City of Bones 9.4 h 
Let the Storm Break 7.2 h 
The Wish List 4.4 h 
The Outsiders 3.5 h Bar height shows length. Estimated at 250 words a minute.