Hatchling's Guardian — Helen B. Henderson

Not all dragons are fire-breathing demons. Hatchling's Guardian is a short story with sweet romance in the fantasy. Trelleir is a true dragon whose magic allows him to take on human form. The last of his kind, he longs for companionship. Even if it is only that of a human female. However, she is a slayer. Sworn to kill all dragons, including him.