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.
From Beyond (short story) "From Beyond" is a horror short story by American writer H. P. Lovecraft. It was written in 1920 and was first published in "The Fantasy Fan" in June 1934 (Vol. 1, No. 10).