The Left Hand Of Darkness

While on a mission to the planet Gethen, earthling Genly Ai is sent by leaders of the nation of Orgoreyn to a concentration camp from which the exiled prime minister of the nation of Karhide tries to rescue him.

While on a mission to the planet Gethen, a world whose inhabitants can change their gender, earthling Genly Ai is sent by leaders of the nation of Orgoreyn to a concentration camp from which the exiled prime minister of the nation of Karhide tries to rescue him, in a new edition of the Hugo and Nebula Award-winning classic. Reprint.