Between James Thurber and Terry Brooks who had a more diverse career as a writer?
Terry Brooks Terence Dean "Terry" Brooks (born January 8, 1944) is an American writer of fantasy fiction. He writes mainly epic fantasy, and has also written two movie novelizations. He has written 23 "New York Times" bestsellers during his writing career, and has over 21 million copies of his books in print. He is one of the biggest-selling living fantasy writers.
Edwin Charles Tubb Edwin Charles Tubb (15 October 1919 – 10 September 2010) was a British writer of science fiction, fantasy and western novels. The author of over 140 novels and 230 short stories and novellas, Tubb is best known for The Dumarest Saga (US collective title: "Dumarest of Terra"), an epic science-fiction saga set in the far future. Michael Moorcock wrote, "His reputation for fast-moving and colourful SF writing is unmatched by anyone in Britain."