The Lost Princess of Oz [Wizard of Oz #11]

In THE LOST PRINCESS OF OZ, Princess Ozma is discovered missing. Four search parties are sent out, one for each of Oz's four countries. Dorothy and the Wizard's must find her. Meanwhile, Cayke the Cookie Cook discovers that her magic dishpan (on which she bakes her famous cookies) has been stolen. Along with the Frogman, they leave their mountain in the Winkie Country to find the pan.