Exiled from her wealthy San Francisco family five years ago, Cate Lyr has struggled to build a new life for herself halfway across the globe. But when her vengeful sisters take control of the family empire and threaten to expose the secrets that her ancestors have safeguarded for centuries, Cate must learn the family's constructed language, evade dangerous secret societies, and team up with a childhood friend to set things right. Taking the reader on a journey from modern-day Istanbul to plague-stricken 14th century Paris, from San Francisco's financial district to the tropical islands of...