The Yellow Knight of Oz (1930) is the twenty-fourth book in the Oz series created by L. Frank Baum and his successors, and the tenth written by Ruth Plumly Thompson. It was illustrated by John R. Neill. The novel was followed by Pirates in Oz (1931). (This summary is from Wikipedia.)
These books are free to read. Each is in the public domain in the United States; check your own country's rules before you copy or share one.
