Is William Joyce a real author?

William Joyce is a real author and an illustrator of children's books. He is best known for his picture books, including "George Shrinks," "The Fantastic Flying Books of Mr. Morris Lessmore," and "The Leaf Men and the Brave Good Bugs." Joyce has also written and illustrated several novels, including "A Day with Wilbur Robinson" and "The Guardians of Childhood." He has won numerous awards for his work, including two Caldecott Medals, two Eisner Awards, and the Hans Christian Andersen Award.