The Infernal Devices

Love is the most dangerous magic of all... Something terrifying is waiting for Tessa Gray in London's Downworld, where vampires, warlocks and other supernatural folk stalk the gaslit streets. Tessa seeks refuge with the Shadowhunters, a band of warriors dedicated to ridding the world of demons...

Love and lies can corrupt even the purest heart.... In the magical underworld of Victorian London, Tessa Gray finds her heart drawn more and more to Jem, while her longing for Will, despite his dark moods, continues to unsettle her. But something is changing in Will - the wall he has built...

Danger and betrayal... Secrets and enchantment... The third and final book in the bestselling Infernal Devices trilogy about the Shadowhunters. A net of shadows begins to tighten around the Shadowhunters of the London Institute. Mortmain needs one last item to complete his plan. He needs Tessa...