On Halloween, Sammy and his friends go to the haunted Barlow house where he has a strange, frightening experience, but what he doesn't realize is that he is possessed by a ghost that wants to turn him into a ghost as well., A Halloween super-special edition follows the adventures of shy 12-year-old Sammy, who accompanies his friends to an abandoned mansion in order to prove his bravery, only to become possessed by a ghost that forces him to obey increasingly dangerous orders. Original. Simultaneous eBook.