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usually confined to Halloween fun houses and images of Casper,
the friendly ghost—a familiar character found in comic books, car-
toons, and animated films for decades.
But paranormal investigators, as well as people who have
claimed to have seen ghosts, are convinced they appear in many
forms. Says Leo Ruickbie, a British historian who specializes in
Although ghosts are often depicted as white forms like the one shown here,
paranormal researchers say that spirits come in all shapes and sizes—even in the
form of ghost pets.
