Finally, as "Frank Baum", he produced a two-part manuscript called Rosine and the Laughing Dragon that was broken into The Laughing Dragon of Oz and The Enchanted Princess of Oz. He barely mentioned Oz in the text, and no Oz characters were used except for his own and a brief mention of the Wizard. His publisher, Whitman, was sued by Reilly & Lee after publishing the first part in its Big Little Books series in 1936.
Frank Baum, author of "The Wonderful Wizard of Oz", wrote a two-part manuscript called "Rosine and the Laughing Dragon" which was published as separate books: "The Laughing Dragon of Oz" and "The Enchanted Princess of Oz".  His publisher, Whitman, faced legal trouble from Reilly & Lee after releasing the first part in their Big Little Books series.