"Logan's Run" is a science fiction novel written by William F. Nolan and George Clayton Johnson, published in 1967. The story is set in a dystopian future where society mandates that citizens must die at the age of 30 to maintain population control. The protagonist, Logan 5, is a "Sandman" tasked with hunting down those who try to escape this fate. When Logan reaches his own renewal date, he begins to question the system and ultimately decides to flee. His journey leads him to discover the truth about life beyond the confines of his city, challenging the beliefs he was raised with and seeking a way to live beyond the age limit.