An execution on the overlook above the Mulholland Dam entangles Bosch with FBI Agent Rachel Walling and Homeland Security. The brilliant thirteenth Harry Bosch novel from the award-winning No. 1 bestselling author.

When a physicist is murdered in LA, it seems the killer has no fear of publicity, leaving the body on the Mulholland overlook, a site with a stunning view over the city. And when it's discovered that the victim turned over a quantity of a lethal chemical to his killer before he died, Harry knows he has more than just a single death to worry about.

Alongside the forces of Homeland Security, Harry realises he must solve the murder or face unimaginable consequences.