(From the publisher):
A green ghost oozes through the walls of a crumbling old mansion, leading the Three Investigators to an open coffin and a grinning skeleton wearing a string of priceless Chinese Ghost Pearls. When the ghost disappears - along with the pearls - the sleuths are off on their strangest case ever!
Original title: Alfred Hitchcock and the Three Investigators in the Mystery of the Green Ghost
Genre: Fiction→ Children & Young Adult→ Mystery