The Scarecrow of Oz is the ninth book in the Land of Oz series and tells of Cap'n Bill and Trot journeying to Oz and, with the help of the Scarecrow, overthrowing the cruel King Krewl of Jinxland. 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 other works.