The Phantom Bride (Dark Shadows 33)

A liner sailing across the ocean to London. Happy couples enjoying a relaxing few days of fine food, fine wine and the fresh sea air. Until they start dying. Because also on board is a ghost seeking vengeance. A ghost of a woman who died in 1929. Private detective Tony Peterson and the witch Cassandra find themselves embroiled in yet another mystery. Can they solve the dead bride's murder before they, themselves, become her latest victims?