Who is Madame Badobedah? Mabel sets out to prove that an eccentric new hotel guest is really a supervillain in this witty storybook about an intergenerational friendship. There's a strange new guest at the Mermaid Hotel -- a very old lady with a growly voice, bags stuffed with jewelry and coins and curiosities, and a beady-eyed pet tortoise. Mabel, whose parents run the hotel, is suspicious. Who is this Madame Badobedah (it rhymes with Oo la la )...