The card had no address - just one special clue: a small golden crown. Claris knew what to do!
Claris and her best friend, Monsieur, are trying to find a secret club - in London!
But what will they discover once they start searching?
The sixth book in the world of Claris: The Chicest Mouse in Paris, the best-selling picture book series from acclaimed fashion illustrator Megan Hess.