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Book 1: The House of Green Glass

An ordinary teenager, Milo Pine, expects to spend the Christmas holidays in peace and comfort. But it's not easy, especially when your family runs a hotel business with some rather unusual guests - smugglers. One frosty evening, Milo hears a bell ringing downstairs, which means only one thing: his hopes for a quiet Christmas at home have been dashed. The new guest is followed by others, and Milo begins to suspect that they are not just guests - they all have secrets. The next day, Milo meets the cook's daughter Maddie and discovers a fragment of a lost map. Together they start a real adventure - their own investigation in the form of the spy game Strange Traces. The house turns into a mysterious place where everyone becomes a suspect. But will Milo and Maddie be able to cope with the investigation?

Book 2. The Ghosts of the Green Glass House

The second book of adventures in the secluded Green Glass House once again plunges into the world of mysterious events that take place on Christmas Eve with Milo, his family, old friends and strange strangers who find themselves in their inn. You will have to solve complex puzzles together with Milo and his friends, search for missing things, learn to move like ghosts between parallel worlds, and eventually find out the truth .