Flo is actually a completely normal boy. He just has a bit of an imagination, his sister thinks. When Flo finds himself in the middle of his father's model train world one afternoon, even he begins to doubt his sanity. Has he gone completely mad or has he crossed some magical threshold between two worlds? Flo throws himself into wild chases and adventures that he usually only played. When he meets a boy who vaguely reminds him of someone, he learns how closely fantasy and reality are intertwined ... A fast-paced, fantastic journey by bestselling author Kai Pannen!..