CHAPTER I. A VILLAIN’S GREED.
CHAPTER II. THE WONDERFUL AIR-SHIP.
CHAPTER III. BARNEY GETS SQUARE WITH POMP.
CHAPTER IV. PRISONERS.
CHAPTER V. A DARING ESCAPE.
CHAPTER VI. FRANK’S SEARCH.
CHAPTER VII. ADVENTURES UNDERGROUND.
CHAPTER VIII. A TERRIBLE STORM.
CHAPTER IX. FRANK HAS AN INTERVIEW.
CHAPTER X. A DRAMATIC MEETING.
CHAPTER XI. OUTWITTING THE VILLAINS.
CHAPTER XII. RESCUE—THE TREASURE FOUND.
CHAPTER XIII. THE END.
