Seeking Demons for Sixteen Years, Hunting Ghosts for Thirty

The Underworld, the Netherworld, Corpse Driving, and Ghost Exorcism

Please recommend some good books.

Any Novels About Catching Ghosts, Hunting Demons, and Exorcising Evil, with a Golden Finger? 😭

Preferably a modern-day supernatural revival story, with a smart, rational, level-headed protagonist.

Ghost Hunting with a System: Human or Ghost Protagonists Are Both Fine, but No Horror-World Settings