The Lost Princess of Oz

In The Lost Princess of Oz, Princess Ozma and the magical treasures of Oz have gone missing. Dorothy and the Emerald City's citizens unite to search for them, but with no clues to guide them, they split into four parties and embark on a desperate quest. Along the way, new allies join their cause, and they discover that their possessions weren't lost, but instead stolen by a powerful villain. How will they defeat their foe without their magic?