Larry McMurtry (born June 3, 1936) is an American essayist, bookseller, and Academy Award-winning screenwriter, who wrote the screenplay of Brokeback Mountain. He has published 21 novels, and also operates antiquarian bookshops in Washington DC, Texas and Arizona.Mary Karr (born January 16, 1955) is an American poet, essayist and memoirist. She rose to fame in 1995 with the publication of her bestselling memoir The Liars' Club. She is the Peck Professor of English Literature at Syracuse University.