The Word of Fu Manchu
Originally published in the This Week magazine in March of 1958, and also printed in the February 1966 issue of Edgar Wallace Mystery Magazine.
In London, Nayland Smith heads to the flat of an undercover detective who has infiltrated the Si-Fan. The man is dead when Smith arrives but he does nab a beautiful Si-Fan operative who came to find a metal disc worn around the dead man's neck.
This story was included in the collection .