CHAPTER I
AN INVITATION TO DINNER
CHAPTER II
RUTH
CHAPTER III
ARNOLD SCENTS MYSTERY
CHAPTER IV
THE FACE AT THE WINDOW
CHAPTER V
AN UNUSUAL ERRAND
CHAPTER VI
THE GLEAM OF STEEL
CHAPTER VII
"ROSARIO IS DEAD!"
CHAPTER VIII
THE DUTIES OF A SECRETARY
CHAPTER IX
A STRAINED CONVERSATION
CHAPTER X
AN UNEXPECTED VISITOR
CHAPTER XI
AN INTERRUPTED LUNCHEON
CHAPTER XII
JARVIS IS JUSTLY DISTURBED
CHAPTER XIII
CASTLES IN SPAIN
CHAPTER XIV
SABATINI'S DOCTRINES
CHAPTER XV
THE RED SIGNET RING
CHAPTER XVI
AN ADVENTURE
CHAPTER XVII
THE END OF AN EVENING
CHAPTER XVIII
DISCUSSING THE MYSTERY
CHAPTER XIX
IN THE COUNTRY
CHAPTER XX
WOMAN'S WILES
CHAPTER XXI
ARNOLD SPEAKS OUT
CHAPTER XXII
THE REFUGEE'S RETURN
CHAPTER XXIII
TROUBLE BREWING
CHAPTER XXIV
ISAAC AT BAY
CHAPTER XXV
MR. WEATHERLEY'S DISAPPEARANCE
CHAPTER XXVI
ARNOLD BECOMES INQUISITIVE
CHAPTER XXVII
THE LETTERS IN THE SAFE
CHAPTER XXVIII
TALK OF TREASURE SHIPS
CHAPTER XXIX
COUNT SABATINI VISITS
CHAPTER XXX
SOME QUESTIONS ANSWERED
CHAPTER XXXI
A LUNCHEON-PARTY
CHAPTER XXXII
ISAAC IN HIDING
CHAPTER XXXIII
SABATINI'S DAUGHTER
CHAPTER XXXIV
CLOSE TO TRAGEDY
CHAPTER XXXV
MR. WEATHERLEY RETURNS
CHAPTER XXXVI
COUNTERCLAIMS
CHAPTER XXXVII
THE SHIPS COME IN
