Books like The Kingdom and the Cave
Joan Aiken
The Kingdom and the Cave is 160 pages, about 2 hours 56 minutes at 250 words a minute.
12 books to read next
How long each takes
Fire and Ice 6.3 h 
The Fourth Apprentice 6.8 h 
Bluestar's Prophecy 9.9 h 
Mossflower 7.9 h 
The First Battle 6.5 h 
The Voyages of Doctor Dolittle 4.9 h 
Katie the Kitten Fairy 1.5 h 
The Place of No Stars 5.9 h 
The Little Prince 1.8 h 
Pete the Cat 35 min 
Charlotte's Web 3.4 h 
High Rhulain 6.3 h Bar height shows length. Estimated at 250 words a minute.