The Call of Cthulhu by H.P. Lovecraft introduces cosmic horror, exploring forbidden knowledge, madness, and humanity's insignificance in a vast universe.
The Dunwich Horror by H.P. Lovecraft blends cosmic horror and witchcraft in a tale of monstrous secrets and forbidden knowledge in rural Massachusetts.
The Shadow Out of Time by H.P. Lovecraft explores alien consciousness, ancient knowledge, and cosmic horror through the fragmented memories of Peaslee.