DR. CASPIAN (1976-1978) by John Burke
 

1. The Devil's Footsteps (1976)
2. The Black Charade (1977)
3. Ladygrove (1978)

This little story is Cthulhu Mythos stories featuring occult detectives like Sherlock Holmes and the X-Files on DVD. Also detectives like Father Brown and Agatha Christie's Hercule Poirot.