CHAPTER I AN ANONYMOUS LETTER
CHAPTER II THE CASINO
CHAPTER III THE FIRST TRAGEDY
CHAPTER IV THE DEAD GIRL’S ROOM
CHAPTER V POISON!
CHAPTER VI A CRY IN THE NIGHT
CHAPTER VII MORE POISON
CHAPTER VIII THE MEDICINE CABINET
CHAPTER IX A PAINFUL INTERVIEW
CHAPTER X THE POST-MORTEM REPORT
CHAPTER XI FEAR OF WATER
CHAPTER XII VANCE TAKES A JOURNEY
CHAPTER XIII AN AMAZING DISCOVERY
CHAPTER XIV THE WHITE LABEL
CHAPTER XV THE TWO-O’CLOCK APPOINTMENT
CHAPTER XVI THE FINAL TRAGEDY
