H. P. Lovecraft 
The Colour out of Space [EPUB ebook] 
H.P. Lovecraft a la Carte No. 3

In later years, this was H.P. Lovecraft’s favorite among his own stories, and many of the most serious H.P. Lovecraft fans readily agree that it’s his best work. It is one of his most truly cosmic horror stories, trading not at all on supernatural elements, relying for all its power on the idea of real forces and entities that humans are simply not equipped to fully perceive or understand.