Chapters (48)
- Mystery Stories for Boys
- Triple Spies
- ROY J. SNELL
- The Reilly & Lee Co. Chicago 1920
- TRIPLE SPIES
- CHAPTER I
- THE DEN OF DISGUISES
- CHAPTER II
- THE MYSTERIOUS RUSSIAN
- CHAPTER III
- TREACHERY OUT OF THE NIGHT
- CHAPTER IV
- A NARROW ESCAPE
- CHAPTER V
- "FRIEND? ENEMY?"
- CHAPTER VI
- "NOW I SHALL KILL YOU"
- CHAPTER VII
- SAVED FROM THE MOB
- CHAPTER VIII
- WHEN AN ESKIMO BECOMES A JAP
- CHAPTER IX
- JOHNNY'S FREE-FOR-ALL
- CHAPTER X
- THE JAP GIRL IN PERIL
- CHAPTER XI
- A FACE IN THE NIGHT
- CHAPTER XII
- "GET THAT MAN"
- CHAPTER XIII
- BACK TO OLD CHICAGO
- CHAPTER XIV
- THE MYSTERY OF THE CHICAGO RIVER
- CHAPTER XV
- THE CAT CRY OF THE UNDERWORLD
- CHAPTER XVI
- CIO-CIO-SAN BETRAYED
- CHAPTER XVII
- A THREE-CORNERED BATTLE
- CHAPTER XVIII
- HANADA'S SECRET
- CHAPTER XIX
- "I SEEN IT—A SUBMARINE!"
- CHAPTER XX
- AT THE BOTTOM OF THE RIVER
- CHAPTER XXI
- THE OWNER OF THE DIAMONDS
- THE END
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