Finger! Finger!

If only Japan could lay her hands on the Thirteenth Coin of Confucius which was floating around somewhere in the United States, she could thwart a certain Chinese ambition. The Japanese Secret Service in New York City had a clue and immediately a Japanese Secret Service Agent boarded the Chicago Flyer and never took his eyes off a white passenger with a short gray beard. It was the passenger's 'Dryo' raincoat that the Secret Agent had his eye on, and at the first opportunity he grabbed it and substituted a duplicate. In the leather purse he found not the sacred gold piece but a dead finger wrapped in cellophane . . .Thus the master mystery-man lays the groundwork for one of his most fantastic stories in which he dramatizes the Oriental psychology of Crime.

"Like all of his recent mystery stories, this one also contains one of his famous webwork plots, and the reader is treated to an intense situation in which white men become wedged in between hostile forces of China and Japan, all working silently and under an impenetrable mask