Forgotten 1980s Werewolf Novel

[Will E.]

I run the Too Much Horror Fiction blog, and recently I received an email from a reader trying to find a book the title of which they've forgotten. Here's their description; anyone recognize it? Any help appreciated!

I remember reading a book in the 80s that would qualify as a monster animal-type horror novel that I would love to find again. The cover was fully black and “puffy” or 3D with white or silver lettering of the title…it may’ve had red eyes as well. I cannot recall the author or the title. I could have sworn it had the word “beast” in it, like Bloodbeast and seem to remember it was just one word in the title. I’ve tried Googling in all sorts of ways but with no luck. In the story, the beast is a wolf-like creature shredding people in the lake/outdoorsy town and the sheriff-type guy was on the hunt of it. The book would primarily use the sheriff’s perspective I believe, then go into italics when telling the story from the perspective of the wolf-monster (who I think was female.