"The Old Room" by Karl Ewald is an exciting novel that will take you into a world of mysteries and stunning discoveries. The main character accidentally discovers a door to an ancient room in his house, where extraordinary things begin to happen. The author skillfully combines fiction with the realities of modern life, creating an exciting plot that will not leave you indifferent. "The Old Room" is a book that will charm you from the first pages and won't let you go until the very end.