About the book: 2019 / Sometimes childhood fears return when a randomly found postcard from a friend, lying unread for twenty years, is a trigger to the most incredible events. Your path lies in the Underground Halls, where the Black Wolf and his master are waging an eternal war with the thrice-ninth kingdom, and the train leaves the “Station that does not exist” to the “Valley of Oblivion,” and when the Hero enters the Underground Halls, fate sends him a reliable companion and death is at the end of the road if he does not follow his destiny…