Books like The Horsemaster's Daughter:
Susan Wiggs
The Horsemaster's Daughter: is 400 pages, about 7 hours 20 minutes at 250 words a minute.
12 books to read next
How long each takes
The Horse Whisperer 8.1 h 
The Man Who Listens to Horses 5.9 h 
River Lady 6.4 h 
Shy Boy 4.4 h 
My Fair Viking 7.3 h 
A Creed Country Christmas 4.7 h 
Longing 7.3 h 
The Truce 3.4 h 
The Runaway McBride 5.7 h 
The Preacher's Wife 5.2 h 
Lost Lady 5.7 h 
The Longest Ride 8.8 h Bar height shows length. Estimated at 250 words a minute.