Hörbuch: The Necromancers

Following the death of his fiancée, Laurie Baxter becomes consumed by an obsession with the supernatural. Attempting to reach his deceased bride, he attends rituals and séances, delving ever deeper into the dark embrace of the occult. But instead of reconnecting with his lost love, Laurie is brought into contact with forces far more sinister. (Summary from storytel.com)