"Halfway to the Grave" is a fantasy novel by Jeaniene Frost, the first book in the Night Huntress series. It follows the story of Cat Crawfield, a half-vampire, half-human woman who hunts vampires to avenge her mother's death. Cat's life changes when she meets Bones, a powerful vampire who becomes her ally and mentor. The novel blends elements of romance, action, and supernatural themes. As Cat and Bones work together to confront various threats, they also navigate their growing attraction to each other. The story explores themes of identity, acceptance, and the complexities of love in a world filled with danger.