142 pages
German language
Published May 18, 1979 by Franckh.
Alfred Hitchcock, die drei ??? [Fragezeichen] und der grüne Geist
The Three Investigators become entangled in the theft of a string of rare pearls and a fraudulent scheme involving family inheritance when they try to solve the mystery of a ghost's appearance in the old Green Mansion.
The Three Investigators become entangled in the theft of a string of rare pearls and a fraudulent scheme involving family inheritance when they try to solve the mystery of a ghost's appearance in the old Green Mansion.
