I really like the premise, but I didn't love this book. A lot of the time I'd get excited about where it was going - ooh what happened then? What IS a formal at Catherine House like? - and then the book would cut to the characters after the scene or the next day. There were some hints at the spooky things happening that kept me guessing and noticing patterns, but then the book didn't follow up on them. I liked what was going on at the end, but by the time it got there, it was already over.