CHAPTER I A CRACK-UP
CHAPTER II A WONDERFUL INVENTION
CHAPTER III TURNED DOWN
CHAPTER IV SUSPICIONS
CHAPTER V HOT WATER
CHAPTER VI A STRANGE REQUEST
CHAPTER VII THE PARACHUTE JUMPER
CHAPTER VIII TO THE RESCUE
CHAPTER IX HOT WORDS
CHAPTER X ANXIOUS DAYS
CHAPTER XI A GIANT’S ANGER
CHAPTER XII MIXED ORDERS
CHAPTER XIII DISQUIETING NEWS
CHAPTER XIV RUSHING WORK
CHAPTER XV A LITTLE VICTIM
CHAPTER XVI STRANGE WORDS
CHAPTER XVII A MIGHTY SPLASH
CHAPTER XVIII MORE SUSPICIONS
CHAPTER XIX FAILURE
CHAPTER XX THE PRIZE OFFER
CHAPTER XXI A BOTTLE OF ACID
CHAPTER XXII READY TO GO
CHAPTER XXIII THE RACE
CHAPTER XXIV THROUGH STORM PERILS
CHAPTER XXV PORT AT LAST