J. G. Farrell and Tim Powers both released works in what same media, but different genre?
J. G. Farrell James Gordon Farrell (25 January 1935 – 11 August 1979) was a Liverpool-born novelist of Irish descent. He gained prominence for a series of novels known as the "Empire Trilogy" ("Troubles", "The Siege of Krishnapur" and "The Singapore Grip"), which deal with the political and human consequences of British colonial rule.
Matthew Costello Matthew J. Costello (born 1948) is the author or coauthor of numerous novels and nonfiction works. His articles have appeared in publications including the "Los Angeles Times" and "Sports Illustrated". He scripted Trilobyte's bestselling CD-ROM interactive dramas "The 7th Guest" and its sequel "The 11th Hour", as well as many other videogames.