I THE SHERIDAN PARK MYSTERY II THE PRIVATE SECRETARY III SOME DISCOVERIES IV THE RUBY V THE HIDDEN SAFE VI AN EXTRAORDINARY ERRAND VII HOW THE ERRAND ENDED VIII MAILLOT'S EXPERIENCE IX TRACKS IN THE SNOW X THE SECOND STORY XI A PACT XII THE CIPHER XIII DISCLOSURES XIV RIDDLES XV A WOMAN'S SCREAM XVI THE FACE IN THE ALCOVE XVII PRISON DOORS XVIII A FIGHT IN THE DARK XIX BELLE XX GENEVIEVE'S MISSION XXI SHADOWS XXII ASHES OF OLD ROMANCE XXIII BURKE UNBOSOMS XXIV CONFESSION XXV "THIMBLE, THIMBLE--" XXVI THE CIPHER SOLVED With a screaming of brakes, the elevated train on which I happened to be …
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