From the Ashes (Ravenwood Mysteries)

Atticus Riot took a bullet to his head the day his partner was killed. Three years later, Riot returns to San Francisco to put his ghosts to rest, but the abduction of an heiress snags his attention. Two ransom demands are delivered, and the husband of the abducted Isobel Kingston is hiding the truth. The clock is ticking. Can Riot find Mrs. Kingston in time, or will she become one more regret among many?