Mortina e l'amico fantasma (Mortina #3) by Barbara Cantini
Who is the mysterious ghostly child attempting to enter the Decadent Villa on the eve of the gloomy New Year’s Eve Party Past? Together with Mesto, her faithful albino greyhound, Morphine searches for every useful detail to discover where their spooky new friend came from, in a hilarious investigation that will set her heart racing.