Skulduggery Pleasant - A Heart Full of Hatred

A killer is stalking and murdering sorcerers, and Valkyrie Cain is next on his list. While hunting down a cult of magical terrorists intent on taking their revenge on the mortal world, Skulduggery and Valkyrie are drawn into a murder investigation with unsettling similarities to a case they just closed - the case that nearly took the lives of both Valkyrie's sister and girlfriend. No one is safe. And not everyone will make it out alive...