12+ Alix lives alone in a huge haunted castle. The Cook's Ghost cooks her dinner, Mr. Dust tells her what books to read, and the Gloomy Governess's Shadow teaches her good manners. But one fine day a mysterious stranger appears in the castle, and Alix’s familiar world changes. The girl without hesitation goes to the wonderful world of Interwall to find her relatives. The stranger volunteers to accompany her. For his help, he demands payment - coins, but Alix's coins are not just pieces of metal, they are also pieces of her life... The first book in the exciting fantasy series ELYSIUM. The author, young Russian writer Alexander Anderson, is the winner of the New Children's Book competition. The heroine of the book, the girl Alix, in search of her missing family, penetrates the mysterious world of Interwall, which has another, secret name - Elysium. The guide through this world is the mysterious Jester. He helps Alix, but takes an exorbitant fee for his help - magic coins, with each coin given Alix's life is shortened. Will the girl find her parents, will she be able to escape unharmed from the mysterious, scary, but so attractive world? And who is the Jester - friend or foe? And what is hiding under the mask that he never takes off?