Demons Are a Ghoul's Best Friend

In this follow-up to What's a Ghoul to Do?, medium M.J. Holliday travels to Lake Placid with Gilley and Dr. Steven Sable. Their target is a demon called Hatchet Jack, who has been terrorising a boarding school, and their job is to vanquish it.

The second Ghost Hunter Mystery by Victoria Laurie, published in 2008. Publisher copy for this entry is brief, so the summary above claims only what the source confirms.