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.
Saga of the Noble Dead Saga of the Noble Dead (also known as "The Noble Dead Series") written by Barb Hendee and J. C. Hendee is a set of chronological books in series, and chronological series in a saga that tells the story of protagonists drawn together in a struggle against the little-known and little believed-in Noble Dead (higher undead such as vampires) that herald the return of a long forgotten age in fantasy world. It begins with an unlikely trio drawn together as charlatans who use their skills to cheat peasants by the common superstitions concerning the undead. Soon enough they find that not all superstitions are completely false; the bits of truth they hold could lead to something far worse that has been long forgotten.