1980 · John N. Hansen Co., Inc.
An additional set of cases for 221b Baker Street. This package comprises cases #81-100 and includes case cards, a clue and answer book, and solution checklist.
81. The Adventure of the Manchester Marathon
82. The Adventure of the Vanishing Writer
83. The Adventure of the Black Cat
84. The Adventure of the Purple Jelly Bean
85. The Adventure of the Village Idiot