"Guild Hunter" is a fantasy series written by Nalini Singh. It is set in a world where angels and vampires coexist, and it follows the story of Elena Deveraux, a skilled hunter who tracks rogue vampires for the Guild. The series combines elements of romance, adventure, and supernatural intrigue, exploring themes of power, loyalty, and love. The narrative features a rich cast of characters, including the powerful archangel Raphael, who becomes a central figure in Elena's life. As the series progresses, readers are introduced to various other supernatural beings and their complex relationships, making it a captivating read for fans of the genre.