In a Paris that never was, a city of magical factions where Fallen angels mingle with magicians, alchemists and witches...

Emmanuelle is the Fallen archivist of House Silverspires, and only wants a quiet life with her books. But when Selene, the latest student of Lucifer Morningstar, walks into the library, Emmanuelle finds herself drawn in an adventure to steal from another House. It's a thrilling and dangerous task, but the most dangerous thing about it might just be Selene herself--aloof and resourceful, and unexpectedly attractive...

Set in the universe of the critically acclaimed The House of Shattered Wings.