Godfrey Gao

Set in the future, the city of Shanghai battle to defend itself against an ongoing attack by an alien force that has attacked and laid siege to numerous cities around the globe in it's quest to harvest a hidden energy only found on earth.

In New York City, Clary Fray, a seemingly ordinary teenager, 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.