The Infernal Devices 1: Clockwork Angel

A prequel to the bestselling Mortal Instruments series. When sixteen-year-old Tessa Gray arrives in England, something terrifying is waiting for her in London's Downworld, where vampires, warlocks and other supernatural fold stalk the gaslit streets. Friendless and hunted, Tessa seeks refuge with the Shadowhunters, a band of warriors dedicated to ridding the world of demons.