Specter Inspectors (Specter Inspectors #2)

After encountering a real (after) life demon while looking for ghosts in the most haunted town in America, Noa, Ko, Gus, and Astrid are on the hunt for this particular devil's true name, to try and free Astrid from its demonic influence. But they might just uncover more about the dark truth about idyllic Cape Grace, and the secrets surrounding its famous founding Mayor while they're at it...