ContentsChapter [PROLOGUE]I [IS IT A GHOST?]II [THE NEW MARGARITA]III [THE MYSTERIOUS REASON]IV [BOX FIVE]V [THE ENCHANTED VIOLIN]VI [A VISIT TO BOX FIVE]VII [FAUST AND WHAT FOLLOWED]VIII [THE MYSTERIOUS BROUGHAM]IX [AT THE MASKED BALL]X [FORGET THE NAME OF THE MAN'S VOICE]XI [ABOVE THE TRAP-DOORS]XII [APOLLO'S LYRE]XIII [A MASTER-STROKE OF THE TRAP-DOOR LOVER]XIV [THE SINGULAR ATTITUDE OF A SAFETY-PIN]XV [CHRISTINE! CHRISTINE!]XVI [MME. GIRY'S REVELATIONS]XVII [THE SAFETY-PIN AGAIN]XVIII [THE COMMISSARY, THE VISCOUNT AND THE PERSIAN]XIX [THE VISCOUNT AND THE PERSIAN]XX [IN THE CELLARS OF THE OPERA]XXI [INTERESTING VICISSITUDES]XXII [IN THE TORTURE CHAMBER]XXIII [THE TORTURES BEGIN]XXIV [BARRELS! BARRELS!]XXV [THE SCORPION OR THE GRASSHOPPER: WHICH]XXVI [THE END OF THE GHOST'S LOVE STORY] [EPILOGUE] [(plus a "bonus chapter" called "THE PARIS OPERA HOUSE")]