Mating is an exciting science fiction book written by author Ursula Le Guin. In this work, she reveals a unique world where each person has his own other "I", which meets him every fiftieth republic. The main character is the author Gena Aikhiv, who is looking for her other self in this mysterious world. The book skillfully combines elements of philosophy, morality, love and adventure, leaving the reader enthralled by every turning space. This is an exciting journey into the unexplored depths of consciousness and existence, which leaves a mark in the minds and hearts of its readers.