Books like Banner in the Sky
James Ramsey Ullman
Banner in the Sky is 254 pages, about 4 hours 39 minutes at 250 words a minute.
12 books to read next
How long each takes
The Contest 2.6 h 
Snakehead 7.5 h 
Saving the World and Other Extreme Sports 7.7 h 
Justin Morgan Had a Horse 3.2 h 
Turtle in Paradise 3.5 h 
No Summit Out of Sight 6.8 h 
Fang 5.7 h 
The Great Fire 2.6 h 
Max 4.9 h 
All Alone 1.7 h 
Annie and the Old One 48 min 
Dragon Pearl 5.9 h Bar height shows length. Estimated at 250 words a minute.