THE CLUE OF THE MARKED CLAW
THE CLUE OF THE COILED COBRA
THE SECRET OF HANGMAN’S INN
THE MYSTERY OF THE IRON BOX
THE CLUE OF THE PHANTOM CAR
THE MYSTERY OF THE GALLOPING HORSE
THE MYSTERY OF THE GREEN FLAME
THE MYSTERY OF THE GRINNING TIGER
THE MYSTERY OF THE VANISHING MAGICIAN
THE MYSTERY OF THE SHATTERED GLASS