The Widow's House by Carol Goodman

A couple who are writers accept an unusual invitation to be caretakers to their old college professor's estate. It turns out that some may have an ulterior motive for having them there and soon they are both writing and reigniting their old relationship with the professor. Clare begins writing a story about one of the estate's ancestors and his affair with a local girl who is said to haunt the estate . Soon Clare begins feeling the pull of the house and as her marriage begins to fall apart the dreams of a happy life on the estate may be threatened and the price to live there may be too steep. A bit of a ghost story and a bit of a modern day mystery with small town secrets this novel builds the tension well until the ending you don't see coming.