Do you remember Dynamite magazine? My brother and I loved this magazine in the late 70s. Unfortunalely we don't have them anymore. Here's some spooky covers and posters from the collection of JasonLiebig on flickr.
Dynamite Monster Movie Poster from 1976
Count Morbida Poster from 1976
And here's a "fantasy cover" by JasonLiebig.
I have the following books in my collection.
Count Morbida's Monster Quiz book from 1980. I scanned and posted this entire book in five parts back in 2008.
Part 1 Part 2 Part 3 Part 4 Part 5