The Case of the Phantom Cat, Volume 3: The Mysteries of Maisie Hitchins, Book 3

In book three of Holly Webb's The Mysteries of Maisie Hitchins, twelve-year-old Maisie and her dog, Eddie, are invited to join Maisie's friend Alice on a trip to the country. But there's something strange about the manor where they're staying. Odd noises, horrid smells, and spectral sightings abound. Alice is terrified, but Maisie is skeptical. She doesn't really believe in ghosts. Does she? There must be another explanation for the odd happenings, and Maisie plans to use her detecting skills to find out just what it is!