Sight Unseen - The Confession: Two novels by Mary Roberts Rinehart Sight Unseen When a group of neighbors hold a seance after one of their regular dinner parties, they were expecting to be amused. not to have the medium give them a blow by blow account of the murder of one of their neighbors. The Confession Miss Agnes Blakiston rented a house for the summer hoping to provide the ideal place for her various relatives to visit. What she finds is a haunting secret that unsettles her sanity."