Who wrote children's books O. Henry or Robin McKinley?
O. Henry: William Sydney Porter (September 11, 1862 – June 5, 1910), known by his pen name O. Henry, was an American short story writer. Robin McKinley: Jennifer Carolyn Robin McKinley (born November 16, 1952), known as Robin McKinley, is an American author of fantasy and children's books.
Robin McKinley