"Kushiel's Legacy" is a fantasy series by author Jacqueline Carey, set in the fictional land of Terre d'Ange. The story follows the life of Phèdre nó Delaunay, a courtesan and spy marked by a unique celestial sign, which leads her to a life of intrigue and adventure. The series explores themes of love, sacrifice, and the complexities of desire. The narrative is rich with political intrigue and features a diverse cast of characters, including the enigmatic Joscelin Verreuil, a warrior sworn to protect Phèdre. The series is known for its intricate world-building and exploration of BDSM themes, making it a unique entry in the fantasy genre.