I am so happy with it. And what makes it extra exciting is they used one of the cover ideas I sent to Holt via my editor, way back. (I suggested having a ghost whispering in Cass's ear.) So you see, author cover suggestions do get listened to, at least some of the time!
I am also very fond of the back cover, which features Norris, one of Cass's ghostly friends:
Now if you'll excuse me, I'm off to plaster this over every corner of the internet! ;)