Limyaael

arterialspray @ 05:34 pm: "The Handmaid's Tale", by Margaret Atwood.
"Cordelia's Honor", by Lois McMaster Bujold

Frankly I found "The Left Hand of Darkness" to be intensely tedious, and think LeGuin's "The Tombs of Atuan" or "Tehanu" would be better selections from that author -- if only you were teaching a scifi/fantasy class instead of just scifi.