The City on the Edge of Forever

The award-winning original teleplay that produced the most beloved episode of the classic Star Trek series—with an introductory essay by the author.   USS Enterprise Starfleet officers Capt. James T. Kirk and Mr. Spock escort a renegade criminal to a nearby planet for capital punishment, and they discover the remains of a city. This ancient civilization is inhabited by the alien Guardians of Forever, who are tasked with protecting a time machine. When the criminal escapes…