Foxcraft took me a while to get into, I’m not going to lie. It was a book about a fox who’s family went missing and she tries to survive on her own. Then she finds another fox (except for older, maybe her parents’ age) but there is something off about him. The fox tells her that he has been watching her and he can do Foxcraft. Foxcraft is what has been keeping all foxes alive for years, any fox can do it. It includes shape-shifting, turning invisible, etc. He teaches her the ways of Foxcraft, while they are both running from a group that wants the girl.
P.S. I found it easier to get though on audiobook. Just a thought.