Footprints in the Fog (Clue, Book 18) Paperback – January 1, 1997 by Dona Smith (Author), A. E. Parker (Author)
 
 
Mrs. Peacock, Professor Plum, and Mr. Green pursue a ghostly treasure, deal with a loan arranger, and endure prank phone calls, but always end up at each other's throats.
 
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