The Patchwork Girl of Oz is the seventh book in L. Frank Baum's Oz series. Characters include the Woozy, Ojo "the Unlucky", Unc Nunkie, Dr. Pipt, Scraps (the patchwork girl), and others. The novel was first published on July 1, 1913. In 1914, Baum adapted the book to film through his Oz Film Manufacturing Company. The book was followed by Tik-Tok of Oz (1914).

Ojo, known as Ojo the Unlucky, lives in poverty with his laconic uncle Unc Nunkie in the woods of the Munchkin Country in Oz. They visit their neighbor, the magician Dr. Pipt who is about to complete the six-year process of preparing the magical Powder of Life, which can bring inanimate objects to life. Pipt's wife has constructed a life-sized stuffed girl out of patchwork, and she wishes her husband to animate her to serve as an obedient household servant. They also meet another of Pipt's creations, Bungle, an extremely vain talking cat made of glass. The Powder of Life successfully animates the patchwork girl, but an accident causes both Pipt's wife and Unc Nunkie to be turned to stone. Dr. Pipt tells Ojo that he must obtain five ingredients to make a compound to counteract the petrifaction spell.