IV [THE MYSTERY OF THE RUSSIAN PRINCE]

V [THE MYSTERIOUS TRAGEDY IN BISHOP'S ROAD]

VI [THE MYSTERY OF THE DOG'S TOOTH CLIFF]

VII [THE TYTHERTON CASE]

VIII [THE MYSTERY OF BRUDENELL COURT]

IX [THE MYSTERY OF THE WHITE CARNATION]

X [THE MYSTERY OF THE MONTMARTRE HAT]

XI [THE MISER OF MAIDA VALE]

XII [THE FULTON GARDENS MYSTERY]

XIII [A MOORLAND TRAGEDY]