New York Times bestseller Alison Goodman's eagerly awaited new novel -- a Regency adventure starring a stylish and intrepid demon-hunter Helen must make a choice: Save her reputation, or save the world. London, 1812. Eighteen-year-old Lady Helen Wrexhall is on the eve of her debut presentation at the royal court of George III. Her life should revolve around gowns, dancing, and securing a suitable marriage. Instead, when one of her family's maids disappears,...