Hi everyone, now I just found out that this 2002 film roughly base on the 1993 film The Silver Brumby, which the latter is base on the namesake novel. So, what you're about to read is whether on not Spirit is based on the novel.

It's based on the Film

So, I can understand that it is a remake of the 1993 film, but Mehr targeting for family oriented theme. The only difference is that the story for The Silver Brumby is set in Australia.
The horse befriends an unknown character, simply known as The Man/ Egan and is played Von Russell Crowe. Just like how Spirit befriends Little Creek, a Native...