Set in a supernatural, alternative world where ghosts and monsters are real. Ellie's family is known to be able to call up ghosts. Only animal ghosts, though. Human ghosts are too dangerous. When her cousin suddenly dies, it's up to Ellie to find out what happened to him.

I loved this, actually! It's different, but in a spectacularly good way. Plus the main character is asexual (and it's directly mentioned in the book!). Great representation and such a unique magical world. Plus, the book itself is just gorgeous!