The Lost Princess of Oz is the eleventh canonical Oz book written by L. Frank Baum. Published on June 5, 1917, it begins with the disappearance of Princess Ozma, the ruler of Oz and covers Dorothy and the Wizard's efforts to find her.
Dorothy has risen from bed for the day and is seeing to her friends in the Emerald City and notices that Ozma had awakened yet. Dorothy goes in Ozma's chambers on to find she is not there. Glinda awakens in her palace in the Quadling Coutry and finds her Great Book of Records is missing. She goes to prepare a magic spell to find it - only to see her magic tools are gone as well. Read more to find out what happens.