There were these 3 books, Ursula Leguin's first science fiction novels. They are all set at different times in the same far distant future as her best known work, "The Left Hand of Darkness". Leguin's skill as a writer is evident in these books, and while they may lack some of the weight of the "Left Hand", they also are more concise and exciting. Leguin is a rarity in the sci-fi field, she is such a good writer that you are drawn into the worlds she creates. It is easy to forget that you are reading works of fiction when reading these books; the narratives and characterizations have the force of non-fiction. Another highly recommended, hard to find book by Leguin, again set in the distant future, is "The Word for World is Forest".