Five sci-fi novels that explore gender in unexpected and challenging ways

Jeff Somers is the author of Lifers, the Avery Cates series from Orbit Books, Chum from Tyrus Books, and We Are Not Good People from Pocket/Gallery. He has published over thirty short stories as well.

At The Barnes & Noble Book Blog Somers tagged five sci-fi novels that explore gender in unexpected and challenging ways, including:The Left Hand of Darkness, by Ursula K. LeGuin

Any discussion of