The Investigators of Down Cthulhu
Found at Silver Twilight HQ
From Golden Goblin Press, NY
Heavily expurgated and error laden edition. Numerous copies of this cheap octavo exist.
Contains only descriptions of spells, not complete rituals.
6 copies of German edition held by libraries in Europe and America. This original is likely the 2nd most important book in Mythos after the Mad Arab’s Necronomicon.