Books like Sea Star, Orphan of Chincoteague
Marguerite Henry, M. Henry, Maruerite Henry
Sea Star, Orphan of Chincoteague is 174 pages, about 3 hours 11 minutes at 250 words a minute.
12 books to read next
How long each takes
Coming Home 2.6 h 
Charming Ponies 1.8 h 
The Magic Spell 2.4 h 
Billy and Blaze 53 min 
Fritz and the Beautiful Horses 34 min 
After the Storm 3.2 h 
Pony in the Porch 2.8 h 
The Mud Pony 35 min 
Every New Day 2.7 h 
Tomorrow's Promise 3.1 h 
Stardust and the Daredevil Ponies 4.6 h 
A Touch of Magic 2.9 h Bar height shows length. Estimated at 250 words a minute.