INTRODUCTION.
Chapter I.--AT THE EDGE OF THE CRATER.
Chapter II.--THE WINGED ASSASSIN.
Chapter--III. THE SWING OF THE PENDULUM.
Chapter IV.--THE LUCK OF PITSEY HALL.
Chapter V.--TWENTY DEGREES.
Chapter VI.--THE STAR SHAPED MARKS.
Chapter VII.--THE IRON CIRCLET.
Chapter VIII.--THE MYSTERY OF THE STRONG ROOM.
Chapter IX.--THE BLOODHOUND.
Chapter X.--THE DOOM.
THE END
