The 3rd in the series sees JC, Melody and Happy sent to a long-abandoned theatre where something odd is going on. But the bizarre haunting is only part of the situation the Carnacki Institute has to deal with.
This is a good read that isn’t quite as good as the first two books in the series. The overall big bad makes a sort of appearance, the gang declaim, harangue and scoff at haunting and there are revelations.
“Go ahead and annoy the insanely powerful murderous creature why don’t you?”
“Am I supposed to be impressed? I’ve crapped scarier-looking objects than you.”