The story is presented as a posthumous collection of notes and documents left by the deceased Francis Wayland Thurston who has uncovered a series of unsettling events and encounters related to an ancient and malevolent entity called Cthulhu. As Thurston delves deeper into his research he discovers a cult devoted to Cthulhu and uncovers horrifying accounts of encounters with the entity throughout history. The Call of Cthulhu introduces readers to the cosmic horror and themes that define Lovecraft