When Billy Broccoli discovers that his friend Hoover Porterhouse's brain has turned to mashed potatoes during a trip to the museum, he must help Hoover find the words he needs to make a friend.
Hill House is the biggest tourist attraction in town and Duane and Stephanie love it because it is dark, creepy, and really scary, but they have never seen a real ghost until the night they decide to go on a search.
Harry and his brother, Alex, go from creeped out to downright frightened when the strange goings-on at Camp Spirit Moon take a supernaturally dangerous turn.
While visiting New York's Yankee Stadium with Kate's mother, cousins Mike and Kate decide to investigate the rumor that the ghost of Babe Ruth is haunting the stadium.
Alexander, in North Carolina while his father decides whether to remarry and move there, meets the ghost of a Confederate soldier and helps him look for his family.
When his family moves to a small town near Milwaukee, Matt's efforts to fit into his new fourth-grade class are complicated by his poor spelling and his encounter with the ghost of one of the school's former teachers.
Having trespassed and explored the empty Hutchinson mansion, which seems haunted by the presence of a long-dead young girl, sixth grader Neely and her little brother become regular visitors when emotionally disturbed Curtis Hutchinson moves in.
