  CHAPTER I THE WHISPER FROM AFAR CHAPTER VII REVENGE FOR A LOST COMRADE CHAPTER VIII A WATCH AT THE SIDE OF THE TRAIL CHAPTER IX WHO IS THIS WHISPERER? CHAPTER XI A MOVING SPOT ON THE HORIZON CHAPTER XIII SAVED BY A WHISPER CHAPTER XVIII A MYSTERIOUS ATTACK CHAPTER XIX SHIPS THAT PASS IN THE NIGHT CHAPTER XX "WE HAVE MET WITH DISASTER" CHAPTER XXIII "A BEAR! A BEAR!" CHAPTER XXVI THE SPARKLE OF DIAMONDS CHAPTER XXVII DIAMONDS AND OTHER THINGS The Radio-Phone Boys Stories On the |
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