S. T. Joshi is the author of such critical and biographical studies as The Weird Tale (1990), The Modern Weird Tale (2001), I Am Providence: The Life and Times of H. P. Lovecraft (2010), and Unutterable Horror: A History of Supernatural Fiction (2012). He has prepared annotated editions of the work of H. P. Lovecraft, Lord Dunsany, Arthur Machen, Ambrose Bierce, and many other writers of weird fiction. He is the editor of the Lovecraft Annual and the Weird Fiction Review.