How do two paintings, Hieronymus Bosch's The Garden of Delights and Edward Hopper's Nighthawks, contribute to the novel?

How is Harry Bosch's smoking used to define his character and his changing relationship with Special Agent Eleanor Wish?

How does Harry Bosch view the Vietnam War?

What role does Jerry Edgar play in the novel?

How are the tunnel experiences in Vietnam and Los Angeles similar and how are they different? Is Bosch justified in going in without back-up?

How early in the novel do you suspect John Rourke's involvement in the crimes? If earlier than Bosch, describe what gives him away to you; if later, describe how the author maintains the mystery.

How early in the novel do you suspect that Eleanor Wish is the mastermind in the crimes? If earlier than Bosch, describe what gives her away to you; if later, describe how...