Promised Land — Connie Willis; Cynthia Felice

It has been fifteen years since Delanna Milleflores set foot on Keramos. Now her mother has died, and she has returned only to set and sell her estate. But Keramos has some surprising laws. To sell her farm, Delanna must first live on it for one year. And along with the land comes one Tarleton Tanner, heir to the adjoining farm. A man who, at the moment of her mother's death, became Delanna's husband...