CHAPTER I THE KEY
CHAPTER II THE FIRST KEYHOLE
CHAPTER III THE SECOND KEYHOLE
CHAPTER IV THE THIRD KEYHOLE
CHAPTER V THE FOURTH KEYHOLE
CHAPTER VI THE FIFTH KEYHOLE
CHAPTER VII PERPLEXITY
CHAPTER VIII DETECTIVES
CHAPTER IX WHAT MR. TRUSCOTT KNEW
CHAPTER X THE HUNT
CHAPTER XI JIM CROW’S SECRET
CHAPTER XII THE SIXTH KEYHOLE
CHAPTER XIII THE SEVENTH KEYHOLE