The term 'Americana Author' refers to two authors, Mark Ives and Don DeLillo. Mark Ives is an American author who has written several books, including the novel 'The Last of the Mohicans'. Don DeLillo is an American novelist, playwright, and essayist whose works include the novels 'White Noise' and 'UNDERWORLD'. Both authors have been praised for their unique and insightful writing styles, which often explore themes of American culture and identity.