La mano izquierda de la oscuridad

"Light is the left hand of darkness, and darkness is the right hand of light. The two are one, life and death, together like lovers in kemmer, like united hands, like the end and the way." "I will write my report as if it were telling a story, because I was taught as a child that the truth is born of the imagination." Thus begins his story Genly Ai, sent to the planet Gueden -also called Winter for its icy climate- with the purpose of contacting its inhabitants and proposing them to join the league of planets known as the Ecumen.Guedenians have a particularity that makes them unique: They are hermaphrodites, and they adopt one or the other sex exclusively in the mating season, known as kemmer. In Winter, Ai contacts Estraven, a senior position who will show him how different a society where there is no sexual differentiation can become.