Are both Robin McKinley and Anita Diamant American authors?
Robin McKinley Jennifer Carolyn Robin McKinley (born November 16, 1952), known as Robin McKinley, is an American author of fantasy and children's books. Her 1984 novel "The Hero and the Crown" won the Newbery Medal as the year's best new American children's book.
Joy Davidman Helen Joy Davidman (18 April 1915 – 13 July 1960) was an American poet and writer. Often referred to as a child prodigy, she earned a master's degree from Columbia University in English literature in 1935. For her book of poems, "Letter to a Comrade", she won the Yale Series of Younger Poets Competition in 1938 and the Russell Loines Award for Poetry in 1939. She was the author of several books, including two novels.