It reached the tills and stopped. The eyes of Cthulhu showed us the horrors of the universe, the untold potential of pain. Then it spoke.
— WaterstonesOxfordSt (@WstonesOxfordSt) October 14, 2013
The WaterstonesOxfordSt Twitter account is staffed by someone pretty darned funny, as evidenced by The Call of Cthulhu, a series of tweets describing what happened when a patron read aloud from the Necronomicon and unleashed an Elder God.
(via Seanan)