PROLOGUE
IS ABOUT MYSELF
CHAPTER THE FIRST
INTRODUCES OSWALD DE GEX
CHAPTER THE SECOND
THE SISTER’S STORY
CHAPTER THE THIRD
WHO WAS GABRIELLE ENGLEDUE?
CHAPTER THE FOURTH
FACING THE MUSIC
CHAPTER THE FIFTH
THE CITY OF THE LILY
CHAPTER THE SIXTH
ANOTHER PUZZLE
CHAPTER THE SEVENTH
THE MILLIONAIRE’S APPREHENSIONS
CHAPTER THE EIGHTH
LITTLE MRS. CULLERTON
CHAPTER THE NINTH
SOME PLAIN SPEAKING
CHAPTER THE TENTH
MONSIEUR SUZOR AGAIN
CHAPTER THE ELEVENTH
THE ABSOLUTE FACTS
CHAPTER THE TWELFTH
“RED, GREEN AND GOLD!”
CHAPTER THE THIRTEENTH
SOME INTERESTING REVELATIONS
CHAPTER THE FOURTEENTH
THE GATE OF THE SUN
CHAPTER THE FIFTEENTH
THE INTRUDER
CHAPTER THE SIXTEENTH
ANOTHER STRANGE DISCLOSURE
CHAPTER THE SEVENTEENTH
WHAT THE PROFESSOR FOUND
CHAPTER THE EIGHTEENTH
MORE ABOUT THE MYSTERY-MAN
CHAPTER THE NINETEENTH
THE TRACK OF DESPUJOL
CHAPTER THE TWENTIETH
MADEMOISELLE JACQUELOT
CHAPTER THE TWENTY-FIRST
AT THE HÔTEL LUXEMBOURG
CHAPTER THE TWENTY-SECOND
GABRIELLE AT HOME
CHAPTER THE TWENTY-THIRD
THE DEATH-DRUG
CHAPTER THE TWENTY-FOURTH
YET ANOTHER MYSTERY
CHAPTER THE TWENTY-FIFTH
WHAT THE VALET KNEW
CHAPTER THE TWENTY-SIXTH
MORE ABOUT MATEO SANZ
CHAPTER THE TWENTY-SEVENTH
A CURIOUS STORY
CHAPTER THE TWENTY-EIGHTH
LOVE THE CONQUEROR
CHAPTER THE TWENTY-NINTH
ANOTHER PLOT
CONCLUSION
