CHAPTER I. A REJECTED PROPOSAL.
CHAPTER II. DYBALL'S CLUB.
CHAPTER III. AN UNHEEDED WARNING—FRANK MANSFIELD FINDS HIMSELF IN A BAD FIX.
CHAPTER IV. THE STRANGE DISAPPEARANCE BENEATH THE CHURCH-YARD WALL.
CHAPTER V. BATS IN THE WALL.
CHAPTER VI. WHAT HAPPENED AT THE CATHERINE MARKET.
CHAPTER VII. A STILL GREATER CRIME UNEARTHED.
CHAPTER VIII. THE SECRET OF THE IRON DOOR.
CHAPTER IX. IN WHICH FRANK MANSFIELD MAKES AN IMPORTANT DISCOVERY.
CHAPTER X. IN THE CHAMBER OF DEATH.
CHAPTER XI. AN UNEXPECTED ALLY.
CHAPTER XII. WHAT WAS SEEN BY THE CHURCH-YARD WALL.
CHAPTER XIII. IN CAGNEY'S SANCTUM.
CHAPTER XIV. AN INTRUDER IN THE HOME OF THE BATS.
CHAPTER XV. CALEB HOOK MAKES HIMSELF AT HOME.
CHAPTER XVI. THE THREE OAKS.
CHAPTER XVII. AN ADVERTISEMENT.
CHAPTER XVIII. THE GHOST OF THREE OAKS APPEARS AGAIN.
CHAPTER XIX. MR. CALLISTER'S CLERK.
CHAPTER XX. JERRY BUCK PLAYS THE PART OF A DETECTIVE AGAIN.
CHAPTER XXI. FRANK VISITS COTTAGE PLACE.
CHAPTER XXII. AN UNTIMELY OCCURRENCE—CALEB HOOK DISCOVERED.
CHAPTER XXIII. A DETECTIVE IN A BAD FIX.
CHAPTER XXIV. TREASURE HUNTING.
CHAPTER XXV. THE MYSTERY OF TRINITY CHURCH-YARD EXPLAINED AT LAST.
CHAPTER XXVI. ELIJAH CALLISTER ADDS STILL ANOTHER CRIME TO THE LIST.
CHAPTER XXVII. THE JONAH.
CHAPTER XXVIII. A FRUSTRATED CRIME—THE END.