He's back ... Private investigator Harry Bosch confronts a villain who's long been in hiding - a fiend known as The Poet.

Former FBI agent Rachel Walling is working a dead-end stint in South Dakota when she gets the call she's been dreading for four years. The Poet is back. And he has not forgotten Rachel. He has a special present for her.

Harry Bosch is adjusting to life in Las Vegas as a private investigator and a new father. Then he gets a call from the widow of a friend. The friend had worked on a famous case, tracking the killer known as The Poet, and this fact alone makes some of the elements of his recent death doubly suspicious.

Harry Bosch is heading straight into the path of the most ruthless and inventive murderer he has ever encountered . . .