11 : THE UNEXPECTED GUEST
1111 : A CHESS PROBLEM
22 : THE MAN FROM THE ASYLUM
1212 : THE BAITED TRAP
33 : WE HEAR MORE ABOUT LI CHANG YEN
1313 : THE MOUSE WALKS IN
44 : THE IMPORTANCE OF A LEG OF MUTTON
1414 : THE PEROXIDE BLONDE
55 : DISAPPEARANCE OF A SCIENTIST
1515 : THE TERRIBLE CATASTROPHE
66 : THE WOMAN ON THE STAIRS
1616 : THE DYING CHINAMAN
77 : THE RADIUM THIEVES
1717 : NUMBER FOUR WINS A TRICK
88 : IN THE HOUSE OF THE ENEMY
1818 : IN THE FELSENLABYRYNTH
99 : THE YELLOW JASMINE MYSTERY
19part 2
1010 : WE INVESTIGATE AT CROFTLANDS
