"The Lost King of Oz" by Ruth Plumly Thompson is a fantasy novel published in 1925. When the wicked witch Mombi sets out to find Pastoria, the long-lost father of Princess Ozma, she cannot remember what form she enchanted him into years ago. Dorothy, kidnapped boys, invisible Blanks, a Hollywood stunt dummy, and the Elegant Elephant Kabumpo all become entangled in the quest to identify the missing king among unlikely candidates—leading to surprising revelations about identity and contentment. (This is an automatically generated summary.)