Books like The Moon-Spinners
Mary Stewart
The Moon-Spinners is 303 pages, about 5 hours 33 minutes at 250 words a minute.
12 books to read next
How long each takes
Magic Before Christmas 7.3 h 
Gone Girl 8.7 h 
Thunder Heights 5.7 h 
4:50 from Paddington 4.7 h 
Keeper of the Bride 6.2 h 
Shiver 9.0 h 
Stars 9.8 h 
The Penelopiad 3.5 h 
The Sittaford Mystery 4.1 h 
Eye of the Beholder 6.4 h 
Smoke in Mirrors 6.8 h 
The Lucky One 6.0 h Bar height shows length. Estimated at 250 words a minute.