Lyman Frank Baum 
Ozma of Oz (Annotated) [EPUB ebook] 

Children will delight in the further adventures of Dorothy and her friends as they revisit Oz. Frank Baum was a famous author of children’s books. He is best noted for his book The Wizard of Oz. Baum used several pen names when writing different series. Dorothy meets some new friends in Ozma of Oz. There is the Hungry Tiger, whose appetite is never satisfied; Princess Langwidere, who has thirty heads; Billina, a talking chicken; and Tiktok, a mechanical man. After being blown overboard sailing with her uncle, Dorothy finds herself in Ev. She sets out with her friends to rescue the Queen of Ev and her ten children.