"Logan's Run" is a science fiction novel by the Ukrainian writer William F. Nol. The action takes place in a world where a person has the right to live only up to thirty years. The main character, Logan-6, is a Collector and devotes his life to hunting those who refused the mandatory "carousel". One day, Logan gets a unique opportunity - the choice to stay on the "carousel" or escape from the system. The novel reveals themes of love, struggle for freedom, and the search for meaning in life. "Logan's Run" fascinatingly raises questions about morality, free will and crossing the lines between good and evil.