I don't do reviews, but I do recommend books through the RTW Best Book of the Month posts. Only, I've just read a great book and it's November 3--the end of the month is too long to go without mentioning it! Here's the trailer, which I also love:
What's not to like? Horses, and not-horses, dark legends, a mysterious boy . . . but be warned that there is a healthy portion of blood and violence and peril (people as well as animals, though it's usually the animals that get to me more in books). If you're not sure if that warning has put you off, download the sample through Kindle or whatever app you use. Enough of a taste of what is to come shows up in there that you should be able to make up your mind.
As an aside, I tried to read her Shiver series and had a difficult time connecting with them. Can't even articulate why, but I had no such problem with this book.