Former LAPD detective Harry Bosch gets a call, too -- from the widow of an old friend. Her husband's death seems natural, but his ties to the hunt for the Poet make Bosch dig deep. Arriving at a derelict spot in the California desert where the feds are unearthing bodies, Bosch joins forces with Rachel. Now the two are at odds with the FBI . . . and squarely in the path of the Poet, who will lead them on a wicked ride out of the heat, through the narrows of evil, and into a darkness all his own . . .