The Return of the Sorcerer ties into the book of magic appearing in stories by which horror writer?
Necronomicon The Necronomicon is a fictional grimoire (textbook of magic) appearing in the stories by horror writer H. P. Lovecraft and his followers. It was first mentioned in Lovecraft's 1924 short story "The Hound", written in 1922, though its purported author, the "Mad Arab" Abdul Alhazred, had been quoted a year earlier in Lovecraft's "The Nameless City". Among other things, the work contains an account of the Old Ones, their history, and the means for summoning them.
Frank Belknap Long Frank Belknap Long (April 27, 1901 – January 3, 1994) was an American writer of horror fiction, fantasy, science fiction, poetry, gothic romance, comic books, and non-fiction. Though his writing career spanned seven decades, he is best known for his horror and science fiction short stories, including early contributions to the Cthulhu Mythos. During his life, Long received the World Fantasy Award for Life Achievement (at the 1978 World Fantasy Convention), the Bram Stoker Award for Lifetime Achievement (in 1987, from the Horror Writers Association), and the First Fandom Hall of Fame Award (1977).