"Angel's Blood" is a fantasy novel by Nalini Singh, part of the Guild Hunter series. The story follows Elena Deveraux, a skilled vampire hunter, who is tasked with tracking down rogue vampires for the powerful archangel, Raphael. The novel explores themes of power, loyalty, and the complexities of relationships in a world where angels and vampires coexist. Set in a richly imagined universe, "Angel's Blood" combines elements of romance and adventure. As Elena navigates her dangerous assignments, she uncovers secrets about her own past and the true nature of the beings she hunts. The book is known for its engaging characters and intricate world-building.