Land of Oz Patchwork Girl of Oz", Dorothy specifies that he cannot speak because he is not a fairy dog. However, in "Ozma of Oz", the chicken Billina acquires speech merely by being swept to the lands near Oz, and in "Dorothy and the Wizard in Oz", the same is true of the kitten Eureka and the cab horse Jim when reaching the land of Mangaboos, a similarly magical land. In "Tik-Tok of Oz", Baum restored the continuity: Toto can speak, and always could, but never bothered to, because it was unnecessary. An additional inconsistency is introduced with "Tik-Tok of Oz": Hank the
Dorothy and the Wizard in Oz prior "Ozma of Oz" (1907). He was not entirely pleased with this, as the introduction to "Dorothy and the Wizard of Oz" opens with the protest that he knows many tales of many lands, and hoped that children would permit him to tell them those tales. Written shortly after the 1906 San Francisco earthquake and around the time Baum moved to California, the book starts with an earthquake in California. Dorothy and others are swallowed up by cracks in the earth, and fall into an underground cavern, where they begin their adventures. Very little of the story—six of the twenty