Burning Chambers - Kate Mosse

Carcassonne, 1562.On the eve of the wars that will tear France apart, nineteen-year-old Minou Joubert receives an anonymous letter at her father’s bookshop. Sealed with a distinctive family crest, it contains just five words: SHE KNOWS THAT YOU LIVE. But before Minou can decipher the mysterious message, a chance encounter with a young Huguenot, Piet Reydon, profoundly reshapes her destiny.For Piet has a mission of his own, and he will need Minou’s help if he is to get out of La Cité alive . . .