The Ghosts of Idlewood

When a team of historians takes on the task of restoring the Idlewood plantation to its former glory, they discover there's more to the moldering old home than meets the eye. The long-dead Ferguson children don't seem to know they're dead! Lead historian Carrie Jo Stuart uses her special ability to get to the bottom of the many mysteries that the house holds.
If you loved the Seven Sisters series, you'll enjoy the spinoff series, Idlewood.