Biblioholic's Bookshelf - The Sorcerers - an Avon Satanic Gothic by Dorian Winslow (Daoma Winston)

Titles from Avon's brief Satanic Gothic line from the early '70s are pricey these days. I found an OK copy of this title for a decent price.

Dorian Winslow is a pseudonym of Daoma Winston, who passed away in 2013. Here's the Washington Post obituary detailing her career.