The Clockwork Angel

When sixteen-year-old Tessa Gray crosses the ocean to England to find her brother‚ the time is the reign of Queen Victoria‚ and something terrifying is waiting for her in London's Downworld‚ where supernatural folk stalk the gaslit streets. Only the Shadowhunters‚ warriors dedicated to ridding the world of demons‚ keep order amidst the chaos. Tessa soon learns that she is a Downworlder with a rare ability: the power to transform into another person.