Transcriber's Notes:
CHAPTER I. A MYSTERIOUS FATALITY.
CHAPTER II. NICK CARTER'S OPINION.
CHAPTER III. A FRIEND WORTH HAVING.
CHAPTER IV. THE MAN OF LAST RESORT.
CHAPTER V. ANOTHER STRANGE CASE.
CHAPTER VI. DOCTOR DEVOLL.
CHAPTER VII. GROUNDS FOR SUSPICION.
CHAPTER VIII. THE YELLOW COUPON.
CHAPTER IX. SUSPICIONS VERIFIED.
CHAPTER X. THE DEEPER MYSTERY.
CHAPTER XI. THE ANGLE OF REFLECTION.
CHAPTER XII. NICK CARTER'S DEDUCTIONS.
CHAPTER XIII. THE MAN WITH A MASK.
CHAPTER XIV. A MARATHON PURSUIT.
CHAPTER XV. PROFESSOR KARL GRAFF.
CHAPTER XVI. VAIN INQUIRIES.
CHAPTER XVII. CRAFT AND FORESIGHT.
CHAPTER XVIII. NICK DECLARES HIMSELF.
CHAPTER XIX. PATSY ON THE TRAIL.
CHAPTER XX. BIRDS OF PREY.
CHAPTER XXI. STOLEN PEARLS.
CHAPTER XXII. WHERE THE TIDE TURNED.
CHAPTER XXIII. THE WHEEL WITHIN.
CHAPTER XXIV. THE LAST RESORT.
Transcriber's Notes: (2)