Books in the Onyx Court series

It is 1759, and scientists are mapping the laws of the natural world, disproving ancient superstition. The fee of the Onyx Court fear that magic is losing its place in the world-and science threatens to expose the court to hostile eyes. Yet they and the mortais above may have to harness both magic and science to defeat a common foe.

In hidden catacombs beneath London, below the royal court of Elizabeth I, a second queen holds power. lnvidiana, the dark ruler of faerie England. Fae and mortal politics have become 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.