The Wonderful Wizard of Oz cap to summon the Winged Monkeys two more times. When Dorothy and her friends meet the Wizard of Oz again, Toto tips over a screen in a corner of the throne room that reveals the Wizard. He sadly explains he is a humbug—an ordinary old man who, by a hot air balloon, came to Oz long ago from Omaha. The Wizard provides the Scarecrow with a head full of bran, pins, and needles ("a lot of bran-new brains"), the Tin Woodman with a silk heart stuffed with sawdust, and the Cowardly Lion a potion of "courage". Their faith in the
Dorothy and the Wizard in Oz chapters—actually takes place in Oz. As in "Ozma of Oz" before it, and in some of the books after, Oz is not the land where the adventures take place, but the land the characters are seeking as a refuge from adventure. The book was dedicated to Harriet Alvena Baum Neal, the author's eldest sister. Dorothy Gale is gladly joining her Uncle Henry in California to visit relatives who live at Hugson's Ranch, after their vacation from Australia in "Ozma of Oz". Dorothy meets Hugson's nephew who is her second cousin, Zeb of Hugson's Ranch. Dorothy, Eureka (her cat) and Zeb