A Flight Into Mystery with Rich Corben

1981, and at a small bookstore in a small mall in a small town, I find the book with this title page.  Must be Razar from Fantagor, but no luck.  I also follow every reference Fershid listed in his book, but found squat about this. Today I acquired Squa Tront #4 from 1970, and right in the middle is this illo as an intro to a couple of amaz'n EC stories. 49 or 37 years later, mystery solved