The Three Investigators, and the Ghost Island

Who is behind the acts of sabotage and theft plaguing a film company on 'Skeleton Island'? Everything seems to indicate that the young Greek Chris and his sick father have something to do with the strange incidents on Skeleton Island. A case for the three detectives Justus, Bob and Peter. Are the two strangers really responsible for the thefts and acts of sabotage? The three investigators see it differently.

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