Misty of Chincoteague is a classic children’s book that holds up well over time. I read this aloud to someone, and it was a joy to do so as the sentences flow nicely. While there is some regional dialect (e.g. horse = hoss), it’s pretty easy to read aloud.
A brother and sister save up money to buy a pony in the annual wild pony roundup. However, they want Phantom, a mare who has eluded capture every year. This year the brother will be old enough to ride along with the men. Will he capture the phantom for him and his sister? (Hint: Yes, he does.)
This is a good book for young or young-at-heart horse lovers, and is one of the rare horse stories where no horses die.