The Complete Oz Collection - The Wonderful Wizard of Oz, Dorothy and the Wizard in Oz, Glinda of Oz, Ozma of Oz, Tik-Tok of Oz, Little Wizard Stories of Oz, The Marvelous Land of Oz, The Queer Visitors from Oz and More Lyman Frank Baum was an American author of children's books, best known for writing The Wonderful Wizard of Oz. He wrote thirteen novel sequels, nine other fantasy novels, and a host of other works and made numerous attempts to bring his works to the stage and screen. His works pr