"Among the most courageous and compelling protagonists at work in fictional detection." - Richmond Times-Dispatch Crispin Guest, returning home after a late night, sees a body hurtling from the uppermost reaches of the London Bridge. Guest's attempted rescue fails, however, and the man-an armourer with a shop on the bridge-is dead. While whispers in the street claim that it was a suicide, Guest-known in certain London circles as The Tracker for his...