This four volume set will keep you on the edge of your seat. It takes place in New York City, where a seemingly ordinary teenager named Clary Fray learns that she is descended from a line of Shadowhunters—half-angel warriors who protect humanity from evil forces. After her mother disappears, Clary joins forces with a group of Shadowhunters and enters Downworld, an alternate realm filled with demons, vampires and a host of other creatures. Clary and her companions must find and protect an ancient cup that holds the key to her mother's future. Find out what happens in this thrilling adventure.