HP Love Craft's Necronomicon

The Necronomicon is a tome of dark eldritch magic according to HP Love Craft and the Cthulhu mythos. It was composed by a half crazed Arab named Abdul Al-Hazred. Despite that, it got to a point where more and more people became fans of his cosmic horror genre and then started writing their own Necronomicons. On a lighter note, there are many other spell books in fiction including Disney's hocus pocus.