Publisher blurb Strange things have been happening at your house all week. Chairs are overturned. Pictures are hung upside down. Weird messages are appearing on the walls. Your parents are convinced you are responsible. But you know the truth-that poltergeists have moved into your house! Can you get rid of the evil spirits with a little help from your friends? Or will you need the help of a trained professional like the creepy medium Madame Matilda?