In hidden catacombs beneath London, below the royal court of Elizabeth I, a second queen holds power. Invidiana, the dark ruler of faerie England. Fae and mortal politics have become inextricably entwined, in alliances and betrayals. When the faerie Lune is sent to manipulate Elizabeth's spymaster, her path crosses that of a mortal agent, Michael Deven, who is seeking the hidden hand in English politics. Will they be able to find the source of Invidiana's power? Find it, and break it...

Marie Brennan is a former academic with a background in archaeology, anthropology, and folklore, which she now puts to rather cockeyed use in writing fantasy. She is the critically acclaimed author of the Lady Trent series, as well as the Doppelganger and Onyx Court novels, six novellas and more than thirty short stories. She won two Isaac Asimov Award for Undergraduate Excellence in Science Fiction and Fantasy Writing Grand Prizes.