"Upsidonia" by Marshall Archibald is a fantastic novel that transports the reader to a world where each inhabitant's birth determines their place in society. The main character finds himself in Upsidonia - a city where the higher you were born, the higher your status. But is it worth relying only on social origin, when there is no place for true love and friendship on the map of fate? Will the hero be able to cross the boundaries of the established rules and find his own way to happiness? "Upsidonia" is an exciting voyage in a world where everyone can find their place, but at the cost of their own courage and bravery.