The beautiful and mysterious Alaizabel Cray is discovered by seventeen-year-old Thaniel, the wych hunter, while he was on the trail of a cradlejack, a vampire-like creature.  Alaizabel has been possessed by Thatch, an old wych, who along with a sinister society have evil in store for Victorian London.  Thaniel and his colleagues rally to save Alaizabel and the city from a host of murderous fiends. If you like gothic horror tales, you should enjoy this one.