Poppy Pym and the Secret of the Black Penny

Poppy is a budding detective and knows the laws of this genre well. For example, if a bunch of people is trapped in a secluded manor during a terrible snowstorm, something is bound to happen. And that’s exactly what happened. The 'black penny' - a family heirloom of Poppy's best friend has gone missing. Naturally, Poppy immediately began her investigation. But the story took an unexpected turn - the heirloom returned. It was found in the Christmas pudding, and that made everything even more convoluted. Poppy doesn't intend to give up - the 'black penny' will reveal all its secrets to her!