All the Lovely Bad Ones is a ghost story written by Mary Downing Hahn.
Travis and his sister cannot resist a good prank. So when they learn that their grandmother's has had a history of ghost sightings, they decide to do a little fake haunting of their own. Scaring the guests is great fun for them. Before they know it, tourists are there trying to find ghosts. But Travis and his sister find out that they are not the only demons haunting the house. In order to make the demons go away they need to research the dark history of the home.