American male non-fiction writers
Louis L'Amour
Louis Dearborn L'Amour (; né LaMoore; March 22, 1908 – June 10, 1988) was an American novelist and short story writer. His books consisted primarily of Western novels, though he called his work "frontier stories". His most widely known Western fiction works include Last of the Breed, Hondo, Shalako, and the Sackett series.
Mark Twain
Samuel Langhorne Clemens (November 30, 1835 – April 21, 1910), known by the pen name Mark Twain, was an American writer, humorist, and essayist. He has been praised as the "greatest humorist the United States has produced", with William Faulkner calling him "the father of American literature".