II WRAPPED IN MYSTERY

III CAUGHT IN A STORM

IV THE RUINED CASTLE

V CONSPIRATORS

VI THE BAFFLED PLOTTERS

VII A CLOSE CALL

VIII JUST IN TIME

IX THE COLONEL'S WARNING

X FROM THE SKY

XI MARSHAL FOCH AND GENERAL PERSHING

XII TORN FROM MOORINGS

XIII GERMAN RIOTING

XIV ON THE TRAIL

XV A BARE CHANCE

XVI RAISING THE TRAP DOOR