48/xx/xx    1 Title Unknown
  48/xx/xx    2 Title Unknown (2)
* 48/xx/xx    3 The Mystery of the Guest in Number Two
* 48/xx/xx    4 The Mystery of the Man from Trouble Creek
* 48/xx/xx    5 The Mystery of the Second Alarm
* 48/xx/xx    6 The Mystery of the Dog That Did and Didn't
  48/xx/xx    7 Case Of The Girl From Singapore
  48/xx/xx    8 Title Unknown (4)
* 48/xx/xx    9 The Mystery of the Chest of Dynamite
* 48/xx/xx   10 The Mystery of the Poisoner at Large
  48/xx/xx   11 The Mystery Of The House That Jack Built
  48/xx/xx   12 Title Unknown (6)
* 48/xx/xx   13 The Mystery of the Man from Hiroshima