CHAPTER I A STRANGE PROPOSAL.
CHAPTER II GOING HOME.
CHAPTER III RIPOGENUS DAM.
CHAPTER IV THE GHOST SHOWS UP.
CHAPTER V CLUES.
CHAPTER VI THE CAVE ON THE MOUNTAIN.
CHAPTER VII A WARNING.
CHAPTER VIII WHERE IS JACK?
CHAPTER IX BURROWING.
CHAPTER X A DETECTIVE SHOWS UP.
CHAPTER XI THE HUNT FOR HELEN.
CHAPTER XII THE SIGNAL.
CHAPTER XIII ANOTHER TRIP UP THE MOUNTAIN.
CHAPTER XIV THE END OF THE GHOST.
