Robert Holdstock. The series seems to be an odd mash-up of men's adventure novels and pulpy occult horror fiction. In the anthology I'm reading right now there's an ad for the series, so while I'm finishing that book and working up a review, check out these perfectly vintage paperback covers! Read a review here.
The B-Movie Bungalow Presents: Piranha 3DD (2012)
48 minutes ago