Curses and cons. Magic and the Mob. Cassel can't escape any of it. Not since he discovered that he's the most powerful curse worker around, able to transform anything - or anyone - into something else. That's how the girl he loved became a white cat - an event that will haunt their relationship forever. Now Cassel's brother has been murdered. The Feds want him to help find the killer. The Mob want him for his skills. And Cassel will have to stay one step ahead of both just to survive. A sensational new novel from the bestselling author of The Spiderwick Chronicles.