The Call of Cthulhu

"The Call of Cthulhu" is the most important and best know work of American writer H. P. Lovecraft
First published in the pulp magazine Weird Tales in February 1928, it introduces the idea of alien influences on humanity, which would come to dominate all subsequent works.
Thurston finds a mysterious clay bas-relief depicting Cthulhu among the belongings of his great-uncle Professor Angell. The bas-relief was created by sculptor Henry Wilcox in March 1925 while half-asleep. At the time Wilcox was haunted by mysterious visions of Cyclopean cities. Thurston starts an investigation. He learns of the Norwegian sailor Gustaf Johansen, the sole survivor of his crew that landed on an uncharted island-city, where Cthulhu emerged.