CHAPTER I
NEWS FOR THE SHERIFF
CHAPTER II
A SHOCK FOR THE CITY
CHAPTER III
THE NEW HEADQUARTERS
CHAPTER IV
OVER THE TELEPHONE
CHAPTER V
TRAILED
CHAPTER VI
WHAT KOWEN FOUND
CHAPTER VII
VERBECK INVESTIGATES
CHAPTER VIII
MYSTERY AND AN ALARM
CHAPTER IX
ORDERS AND LETTERS
CHAPTER X
A DOUBLE CRIME
CHAPTER XI
MORE MYSTERY
CHAPTER XII
ANOTHER TELEPHONE CALL
CHAPTER XIII
INSIDE THE MUSEUM
CHAPTER XIV
MISSING MASTERPIECES
CHAPTER XV
SOME FISHERMEN
CHAPTER XVI
HOT BREAD
CHAPTER XVII
MUGGS SEES HIS MAN
CHAPTER XVIII
MUGGS MEETS DISASTER
CHAPTER XIX
IMPORTANT INFORMATION
CHAPTER XX
ON THE TRAIL
CHAPTER XXI
A TENSE MOMENT
CHAPTER XXII
ON THE ROOF
CHAPTER XXIII
MUGGS GIVES A TIP
CHAPTER XXIV
CHAPTER XXV
END OF THE TRAIL
CHAPTER XXVI
THE BIG BLOW
CHAPTER XXVII
MUGGS TAKES A CHANCE
CHAPTER XXVIII
THE ALARM
CHAPTER XXIX
CAUGHT IN THE NET
CHAPTER XXX
MUGGS ARRIVES
CHAPTER XXXI
AN EMPTY NET
CHAPTER XXXII
THE LETTER
THE END
