A Heart Full of Hatred: Skulduggery Pleasant #17Vengeance is a killer. 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 Valkyries sister and girlfriend. With the body count rising, a special night