For more good reads involving horses, life challenges, and the like, try these:

Grand Theft Horse by Greg Neri

Pony by R.J. Palacio

Arlo Finch in the Valley of Fire by John August

Paradise on Fire by Jewell Parker Rhodes

Absolutely Almost by Lisa Graff

Rez Dogs by Joseph Bruchac

-Also watch the film Concrete Cowboy on Netflix, starring Caleb McLaughlin and Idris Elba