Places in the Dark by Thomas H. Cook (2000)

Thomas H. Cook writes spooky, haunting mysteries mostly involving a secret in the past.  This one is a an excellent mystery about a man searching for a woman involved in the death of his brother. Beautifully told, poetically described and almost cinematic in its dreamy, Sixth Sensian tone.  See also Breakheart Hill, another excellent mystery by Cook, this one about a country doctor haunted by the death of his childhood crush. Very evocative, unfolds slowly, but quite compelling.